Where does “Bacilli” come from?

Bacilli (Translingual) 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.

Bacilli (Translingual): class

Definitions

class

Ancestry of “Bacilli”, step by step

Step	Language	Word	Meaning
1	Latin	Bacillus	—
2	Latin	-illus	Used to form adjectives from nouns
3	Latin	-lus	Alternative form of -ulus; diminutive suffix
4	Proto-Italic	-elos	Forms desubstantival and deadjectival diminutive nouns
5	Proto-Indo-European	-e-lós	—
6	Proto-Indo-European	-lós	Forms agent nouns from verbal roots

Every word from Proto-Indo-European -lós →