Where does “Bacillus” come from?

Bacillus (English) comes from Latin Bacillus, from Latin -illus, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

Bacillus (English): Any of various rod-shaped, spore-forming aerobic bacteria in the genus Bacillus, some of which cause disease

Definitions

  1. Any of various rod-shaped, spore-forming aerobic bacteria in the genus Bacillus, some of which cause disease

Ancestry of “Bacillus”, step by step

StepLanguageWordMeaning
1LatinBacillus—
2Latin-illusUsed to form adjectives from nouns
3Latin-lusAlternative form of -ulus; diminutive suffix
4Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
5Proto-Indo-European-e-lós—
6Proto-Indo-European-lósForms agent nouns from verbal roots

Words derived from “Bacillus”

Every word from Proto-Indo-European -lós →