Where does “petic” come from?

petic (Romanian) comes from Ancient Greek πιττάκιον, from Ancient Greek πιττά, from Proto-Indo-European peyH- — fat, milk.

petic (Romanian): patch; shred; rag

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	πιττάκιον	writing tablet; a leaf out of a writing tablet,...
2	Ancient Greek	πιττά	pitch, tar
3	Proto-Indo-European	peyH-	fat, milk