Where does “boresight” come from?

boresight (English) comes from English bore, from Middle English bore, from Middle English boren, from Old English boren, from Old English beran, from Proto-West Germanic beran, from Proto-Germanic beraną, from Proto-Indo-European bʰéreti — shiny, light brown.

boresight (English): The optical axis of a directional antenna

Definitions

  1. The optical axis of a directional antenna

Ancestry of “boresight”, step by step

boresight traces back through two separate lines of ancestry.

via English bore

StepLanguageWordMeaning
1EnglishboreTo inspire boredom in somebody; To make a hole...
2Middle EnglishboreA bore, hole, puncture or indentation
3Middle Englishboren
4Old Englishborenpast participle of beran; born
5Old Englishberanto carry, bear; to wear; to sustain, support
6Proto-West Germanicberanto carry, to bear
7Proto-Germanicberanąto carry, to bear
8Proto-Indo-Europeanbʰéretito be carrying
9Proto-Indo-Europeanbʰēr-shiny, light brown

via English sight

StepLanguageWordMeaning
1EnglishsightThe ability to see; The act of seeing; perception...
2Middle Englishsightesight
3Middle Englishsiken
4Old Englishsīcanto sigh
5Proto-West Germanic*sīkanto sigh, take a deep breath
Every word from Proto-Indo-European bʰēr-
boresight — Etymology, Origin & Word History | Etymology Explorer