Where does “bacillus” come from?

Bacillus comes from Latin bacillus, diminutive of Latin baculum meaning "stick" or "staff," from Proto-Indo-European bak-.

bacillus (English): Any of various rod-shaped, spore-forming aerobic...

Definitions

  1. Any of various rod-shaped, spore-forming aerobic...

Ancestry of “bacillus”, step by step

StepLanguageWordMeaning
1LatinbacillusAlternative form of bacillum; rod-shaped...
2LatinbacillumA small staff or wand; The shaft or handle of a...
3Latinbaculumwalking stick, cane, staff; sceptre, rod; a...
4Proto-Indo-Europeanbaḱ-club, pointed stick, peg; pointed stick, peg

Words derived from “bacillus

Every word from Proto-Indo-European baḱ-Every word from Latin baculumEvery word from Latin bacillum
bacillus — Etymology, Origin & Word History | Etymology Explorer