Where does “oinceolaí” come from?

oinceolaí (Irish) comes from New Latin onco-, from Ancient Greek ὄγκος, from Proto-Italic onkos, from Proto-Indo-European h₂ónkos, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

oinceolaí (Irish): oncologist

Definitions

oncologist

Ancestry of “oinceolaí”, step by step

Step	Language	Word	Meaning
1	New Latin	onco-	tumor
2	Ancient Greek	ὄγκος	bulk, volume, mass, heap, weight; tumor;...
3	Proto-Italic	onkos	—
4	Proto-Indo-European	h₂ónkos	bend, turn
5	Proto-Indo-European	-os	Creates action nouns or result nouns from verbs;...

Every word from Proto-Indo-European -os →Every word from Proto-Indo-European h₂ónkos →Every word from Proto-Italic onkos →