Where does “papillo-” come from?

papillo- (Translingual) comes from Latin papilla, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

papillo- (Translingual): Used to form medical terms or taxonomic names...

Definitions

Used to form medical terms or taxonomic names...

Ancestry of “papillo-”, step by step

Step	Language	Word	Meaning
1	Latin	papilla	nipple, teat, breast, papilla
2	Latin	-lus	Alternative form of -ulus; diminutive suffix
3	Proto-Italic	-elos	Forms desubstantival and deadjectival diminutive nouns
4	Proto-Indo-European	-e-lós	—
5	Proto-Indo-European	-lós	Forms agent nouns from verbal roots

Every word from Proto-Indo-European -lós →Every word from Latin -lus →Every word from Latin papilla →