Where does “tchaimbon” come from?

tchaimbon (Franc-Comtois) comes from Old French gambon, from Old French gambe, from Latin gamba, from Ancient Greek κάμπη, from Proto-Indo-European kh₂emp-, from Proto-Indo-European kh₂em- — to bend, to curve.

tchaimbon (Franc-Comtois): ham

Definitions

Ancestry of “tchaimbon”, step by step

Step	Language	Word	Meaning
1	Old French	gambon	—
2	Old French	gambe	Alternative form of jambe; leg
3	Latin	gamba	hock, shank; leg, thigh
4	Ancient Greek	κάμπη	caterpillar; silkworm; an eruciform ornament
5	Proto-Indo-European	kh₂emp-	to bend; crooked; to bend, curve
6	Proto-Indo-European	kh₂em-	to bend, to curve

Every word from Proto-Indo-European kh₂em- →Every word from Proto-Indo-European kh₂emp- →Every word from Ancient Greek κάμπη →