Where does “cor” come from?

cor (Romanian) comes from Latin chorus, from Ancient Greek χορός, from Proto-Indo-European ǵʰer- — to yearn for; to enclose; bowels, intestines.

cor (Romanian): choir, chorus; a gathering, circle, society; a...

Definitions

cor traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Latin	chorus	chorus (all forms); a performance with dancing and singing; a troop or band of dancers and singers; performers
2	Ancient Greek	χορός	dance ring, round dance; dance accompanied by...
3	Proto-Indo-European	ǵʰer-	to yearn for; to enclose; bowels, intestines

Step	Language	Word	Meaning
1	Greek	χορός	dance; chorus in a performance of Ancient Greek...