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answer

/ˈænsər/

A reply, solution, or formal response

From O.English / Proto-Germanic and- (against) + O.English / Proto-Germanic swaru / swear (oath).

noun
verb
and-
Old English
Verified
and-
prefix meaning 'against' or 'in return'

from Old English andswaru "a response, a reply to a question,"

Old English
Verified
andswaru
combined in the early sense of a reply made in opposition

from Old English andswaru "a response, a reply to a question,"

swaru / swear
Old English
AI-inferred
swerian
to swear an oath
Old English
Verified
-swaru
noun element meaning a sworn response or declaration

from Old English andswaru "a response, a reply to a question,"

Combined
andswaru
Old English compound meaning a sworn response given back 'against' a charge or question
Middle English
AI-inferred
answere / answer
spelling and pronunciation simplify, but the old legal-and-oath flavor lingers
Modern English
AI-inferred
answer
widens from spoken reply to solution, official response, and legal filing
Modern English
answer

This word began life with a little courtroom drama in it. In Old English, andswaru was not just any reply; it was a kind of response pushed back at someone, built from and- meaning "against" and a swear-root tied to solemn declaring. That makes it a cousin to words like swear, sworn, and forswear, which all still carry the smell of oaths and public promises. The surprising part is how that old seriousness survives in modern English: we use answer for a quick text reply, a math solution, and even the document filed in court after a complaint. The word has gone from oath to email, but the bone structure is the same: a statement thrown back across the table.

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