again

The word 'again' originates from the Old English 'onġēan', a preposition and adverb meaning "toward, against, opposite." This term is composed of the prefix 'on-' and the root 'gēn', related to 'gēan' meaning "against." Its core sense has always involved a return to a previous state or position, or a movement in opposition. Over time, the meaning broadened from the spatial sense of "back" or "against" to the more temporal and abstract senses of "once more" or "in addition." The modern spelling and pronunciation stabilized in Middle English, solidifying its role as a fundamental adverb of repetition and response.

This is a simplex word of Old English origin. The modern form is a direct descendant of the Old English 'onġēan, onġegen', meaning "in the opposite direction, back, against."