The word 'wedding' originates from the Old English verb 'weddian', which meant to pledge or engage in a covenant. This verb is rooted in the Proto-Germanic 'wadja-', referring to a pledge or security, and is related to the concept of a solemn promise. The addition of the '-ing' suffix transforms the action into a noun denoting the event or ceremony itself. Thus, the modern term 'wedding' retains the core historical sense of a formal ceremony where a pledge of marriage is made.

Structure: wed (to marry) + ing (noun suffix) 'Wed' is from Old English 'weddian', meaning to pledge or covenant, of Germanic origin. 'Ing' is a common English suffix forming nouns from verbs, indicating an action or its result.