English
aimpoint
From aim + point.
Latin aestimō ‘to estimate’
Old French esmer ‘to estimate, aim’
Middle English aimen ‘to estimate, guess at, aim’
English aim
Proto-Indo-European *pewǵ- ‘to prick, punch’
…
Latin pungō ‘to prick; to puncture’
Latin pūnctum ‘point; puncture’
Old French point ‘dot’
Middle English poynt ‘small hole’
English point
Today it means
noun The point at which a firearm is aimed, typically identified by a red dot sight.
Language periods are conventional ranges, not dates for this word.
Etymograph / aimpoint