Where does “côor” come from?

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

Ancestry of “côor”, step by step

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