The word 'wedding' says nothing about love, celebration, or ceremony in its etymology. It says everything about contracts, pledges, and legal obligation. To understand 'wedding' is to understand that marriage in early Germanic society was, at its legal core, a transaction involving the formal making and witnessing of a binding pledge — and the ceremony took its name from that pledge.
The Old English verb 'weddian' meant 'to pledge, to covenant, to give security for something.' The related noun 'wedd' meant 'a pledge, a surety' — the thing given as security to bind an agreement. When a marriage was contracted in Anglo-Saxon England, what happened at the formal ceremony was a pledging: the groom pledged security to the bride's family, and the parties made formal covenants before witnesses. The 'weddung' — the pledging event — was the marriage ceremony, named for its central legal act
The Proto-Germanic root *wadją (pledge, surety) goes back to PIE *wadh-, a root concerned with the giving and redeeming of pledges. The semantic field of this root is consistently legal and contractual across its descendants: Old High German 'wetti' (pledge), Old Norse 'veð' (pledge, security — also seen in 'vaðmál,' the standard homespun cloth used as a unit of value in Icelandic transactions), Gothic 'wadi' (pledge). The modern English descendants of this same root include 'wed' (the verb, to marry), 'wage' (via Old North French 'wage,' from the same Germanic pledge-root, meaning that which is promised in exchange for work), and 'wager' (a bet — a staked pledge).
The PIE root *wadh- is also proposed as the ancestor, via a different pathway, of Latin 'vas, vadis' (a surety, a bail — the person who stands pledge for another), which gave legal Latin 'praes, vadium' and eventually the concept of bail in legal contexts. The connection between Germanic *wadją and Latin 'vadium' is accepted by most etymologists, making the word family quite broad: weddings, wages, wagers, and the legal concept of bail all potentially trace back to the same proto-concept of a binding pledge.
The word 'marriage' itself comes from an entirely different source: Old French 'mariage,' from 'marier' (to marry), from Latin 'maritare,' from 'maritus' (husband), from a root related to 'mas' (male). Latin had no exact equivalent to the Germanic pledge-word: the Latin for the ceremony was 'nuptiae' (from 'nubere,' to veil — the bride's veil was the central ritual object in a Roman marriage) or 'matrimonium' (from 'mater,' mother — the institution concerned with establishing the status of a mother and her children).
The cultural history embedded in these different words is revealing. 'Wedding' (pledge) centres the man's obligation and the legal contract. 'Nuptiae' (veiling) centres the ritual act performed on the bride. 'Matrimonium' (motherhood institution) centres the social purpose of producing legitimate heirs. Each word encodes a different view of what marriage fundamentally is.
In modern English, 'wedding' refers specifically to the ceremony and festivities, while 'marriage' refers to the institution and ongoing state. This distinction was not always so clean: in Middle English, 'wedding' could refer to the entire legal state of matrimony as well as the event. The narrowing of 'wedding' to the ceremonial event while 'marriage' took over the institutional sense happened gradually between the fourteenth and seventeenth centuries.
The verb 'to wed,' direct from Old English 'weddian,' survives in formal and literary registers alongside the French-derived 'to marry.' Its Germanic plainness gives it a different register — 'wedded' carries connotations of solemnity and permanence ('wedded bliss,' 'wedded to an idea') that the more common 'married' often lacks. The pair illustrates the characteristic English pattern of French and Germanic synonyms coexisting with subtly different connotations, the Germanic word carrying the older, more elemental associations.