Where does “adiposus” come from?

adiposus (New Latin) comes from Latin adeps, from Ancient Greek ἄλειφαρ, from Ancient Greek ἀλείφω, from Proto-Indo-European h₂leybʰ-.

Ancestry of “adiposus”, step by step

Step	Language	Word	Meaning
1	Latin	adeps	fat, lard, grease; corpulence, obesity; sapwood
2	Ancient Greek	ἄλειφαρ	unguent, anointing oil, oil, fat; pitch, resin
3	Ancient Greek	ἀλείφω	To anoint someone else; To anoint oneself
4	Proto-Indo-European	h₂leybʰ-	—

adiposus — Etymology, Origin & Word History | Etymology Explorer