Where does “aptabilis” come from?

aptabilis (Latin) comes from Latin aptare, from Latin apto, from Latin apo, from Proto-Italic apō, from Proto-Indo-European h₂ep- — water, body of water.

Ancestry of “aptabilis”, step by step

Step	Language	Word	Meaning
1	Latin	aptare	present active infinitive of aptō; second-person...
2	Latin	apto	I fasten, fit, apply, adjust; I adapt,...
3	Latin	apo	I fasten; attach, connect; join, bind
4	Proto-Italic	apō	—
5	Proto-Indo-European	h₂ep-	water, body of water

Words derived from “aptabilis”

aptable

Every word from Proto-Indo-European h₂ep- →Every word from Proto-Italic apō →Every word from Latin apo →