Where does “terebra” come from?

terebra (English) comes from Latin terebra, from Latin -bra, from Proto-Indo-European -dʰrom — Alternative form of *-trom; instrumental suffix.

terebra (English): The boring ovipositor of a hymenopterous insect;...

Definitions

  1. The boring ovipositor of a hymenopterous insect;...

Ancestry of “terebra”, step by step

StepLanguageWordMeaning
1Latinterebraan instrument for boring; borer; gimlet;...
2Latin-branominative neuter plural of -brum; accusative...
3Proto-Indo-European-dʰromAlternative form of *-trom; instrumental suffix
Every word from Proto-Indo-European -dʰrom →Every word from Latin -bra →Every word from Latin terebra →
terebra — Etymology, Origin & Word History | Etymology Explorer