husband
The English word for husband is a Viking word — Old Norse hús-bóndi, "house-dweller, master of a household." It came into English in the late Old English period alongside trust, law, they, and most of the rest of the Norse loan layer. The original sense was not marital — a húsbónda was the head of a household, regardless of marriage. The marital sense came later, by the 13th–14th century, as the household became the legal frame of marriage in English common law. The verb to husband — to manage, to steward — is older than the marital noun and preserves the original force; husbandry still names the stewardship of land and animals. The word the institution chose for the man was the same word it already used for stewardship; the two senses are the same word, not metaphorically related. Underneath sits PIE *bʰuH-, "to grow, become, dwell, be" — the same root that gives be, build, booth, bower, byre, neighbor, and (through Greek) physics. At the PIE level, dwelling and being are the same word.
The English words for husband and wife are etymologically asymmetric. Husband is Old Norse hús-bóndi, "house-dweller, master of a household" — a position, a function, a job description. Wife is Old English wīf, "woman" — a category, narrowed by use to "married woman" but never having meant more than "woman" in the underlying sense. (The native English word survives unchanged in midwife, "with-woman"; fishwife, "fish-woman"; and the German cognate Weib, "woman.") The institution that became English marriage gave the man a role-name and the woman a category-name. He held the household together; she was the woman in it. The asymmetry is not editorial: it is in the words themselves, and it has been in them for the entire history of the English marriage. Anything you might think about how the institution was originally structured can be read off the words it chose. The husband does the husbanding. The wife is the woman.
The Old Norse word is older than the marriage. Hús-bóndi originally meant the head of a household — the master of the steading, the man who held the land and ran the household. A bóndi, in Norse society, was a specific social class: a free farmer who owned or occupied land, who paid no rent and owed no labor, who answered to his sworn lord at the assembly and to no one else in his fields. The hús-bóndi was the bóndi of a particular hús. Marriage was not in the word. A man could be a húsbónda without a wife, and the word was used for him on the strength of the household alone. The narrowing to "married man" came in English, after the Norman conquest, as English common law gradually made the household the legal frame of marriage — coverture, the doctrine that a married woman's legal identity merged with her husband's, was the formal version of this — and the man at the head of the legal household was, by then, also the man married to its woman. By the late 14th century, the marital sense was the primary one. The household sense survived as an undertone, and survives still in the verb. To husband resources is to manage them the way a head of household manages a steading: with the long view, with care for what remains, with the assumption that nothing is to be spent that cannot be replaced. Husbandry is the practice; the word still appears in animal husbandry, forest husbandry, the academic name for the stewardship of land and livestock. The marriage word and the stewardship word are not metaphorically related. They are the same word.
The Norse word bóndi entered English on two trajectories and ended at different stations. Through the compound hús-bóndi, it gave English husband — the head of the household, the man who stewards. Standalone, as bonde or bondman, the same word slid downhill: from Norse "free farmer" through Middle English "peasant occupier" through later "tenant" to early modern "serf, bondman, the man bound to the land." The two paths read together as a Rorschach of how status fell across the social map. The Norse bóndi was a free man whose freedom was tied to a place. The English bondman was a man whose tying-to-a-place had become unfree. The English husband was a man whose tying-to-a-place had become an office. Same word, three places, the dignity rising or falling by which compound it ended up in. (The English noun bond, "binding, agreement, fetter," is a separate word — from Old Norse band, "that which binds" — and the folk-etymological link between bond and bondman is a coincidence of sound, not of origin. But the resonance is real: by the time both words were settled into English, bond was about being tied and bondman was about being bound, and English speakers heard them as kin even though the etymologists know they are not.)
Underneath bóndi is the Old Norse verb búa, "to dwell, to inhabit, to prepare a dwelling, to make ready" — a single verb that covered the whole arc of settling in a place. The same verb is in Old English būan, in Old High German būan, in Gothic bauan; across Germanic, the standard word for dwelling-in-place. The Germanic root *bū- gives English bower (a chamber, originally a dwelling within a dwelling), byre (a cowshed, the dwelling of cattle), booth (a temporary dwelling, a market stall), and through the Old English compound nēah-gebūr — "near-dweller" — English neighbor. The neighbor is, in the bones of the word, the one who dwells nearby. Above the Germanic stem sits the PIE root *bʰuH-, one of the deepest and most productive in Indo-European. The same root gave Germanic *beuną, the suppletive verb that became English be; it gave Latin futurus, "about to be," from which English took future; it gave Greek phúō, "to grow, to bring forth," and phúsis, "nature, the way a thing grows into being" — the etymological source of English physics, physical, physiology. It gave Slavic byti, "to be"; Sanskrit bhū, "to become." Across every branch of Indo-European, the same word does several jobs: to dwell, to become, to be, to grow into. In the PIE conception preserved across the family, these are not different verbs. Dwelling somewhere is what it means to be. The husband is the man who dwells in the house, and the verb of dwelling is also the verb of being — so the husband is, in the deepest sense the etymology can give him, the man whose being is at the house. The marital sense is a late narrowing of a much older story about where a person stands and what their being is rooted in. Underneath the role is the dwelling; underneath the dwelling is the verb of being itself.
- wife — Old English wīf, "woman"; the asymmetric counterpart — a category-noun where husband is a role-noun; survives unchanged in midwife ("with-woman"), fishwife ("fish-woman"), and German Weib
- husbandry — the practice of stewardship — of land, of animals, of resources; preserves the original Old Norse sense before the narrowing to "married man" took over the bare noun
- bondman — standalone bóndi through Middle English bonde; the same Norse word that gave husband, but on a downward semantic trajectory from "free farmer" through "tenant" to "serf"
- neighbor — Old English nēah-gebūr, "near-dweller"; the compound of "near" plus a noun from the same būan verb that sits inside bóndi
- be — Old English bēon, Proto-Germanic *beuną; the suppletive copula on the same PIE root *bʰuH-; the verb of existing comes from the same root as the verb of dwelling
- build — Old English byldan, "to construct a dwelling"; the verb of making a place to dwell, on the same root as the verb of dwelling itself
- booth — Middle English bothe, "temporary dwelling, market stall"; from Old Norse búð, a noun on the same búa verb
- bower — Old English būr, "chamber, inner room, dwelling"; another noun on the dwelling-verb, surviving poetically
- byre — Old English bȳre, "cowshed"; literally "dwelling-place for cattle," from the same root
- future — Latin futurus, the future participle of esse ("to be"), built on the PIE root *bʰuH-; the same root in the Latin branch — "that which is about to be"
- physics — Greek phúsis, "nature, growth, the way a thing comes to be"; from phúō, "to grow, bring forth"; the Greek branch of the same PIE root, giving the entire physic- family in English