Where does “Reptilia” come from?

Reptilia (Translingual) comes from Catalan rèptil, from Latin reptilis, from Latin rēpō, from Proto-Italic rēpō, from Proto-Indo-European h₁reh₁p- — to creep.

Reptilia (Translingual): class

Definitions

class

Ancestry of “Reptilia”, step by step

Step	Language	Word	Meaning
1	Catalan	rèptil	creeping
2	Latin	reptilis	creeping, crawling
3	Latin	rēpō	to creep, crawl
4	Proto-Italic	rēpō	—
5	Proto-Indo-European	h₁reh₁p-	to creep

Words derived from “Reptilia”

Reptiliomorpha

Every word from Proto-Indo-European h₁reh₁p- →Every word from Proto-Italic rēpō →Every word from Latin rēpō →