Where does “ჯენგი” come from?

ჯენგი (Laz) comes from Ottoman Turkish جنك, from Old Anatolian Turkish جنك, from Persian جنگ, from Hindi जंग, from Persian زنگ, from Sanskrit जङ्घा, from Proto-Indo-Aryan źʰángʰaH, from Proto-Indo-Iranian ȷ́ʰángʰas.

ჯენგი (Laz): war

Definitions

Ancestry of “ჯენგი”, step by step

Step	Language	Word	Meaning
1	Ottoman Turkish	جنك	battle, war
2	Old Anatolian Turkish	جنك	war
3	Persian	جنگ	war; junk; anthology
4	Hindi	जंग	war, battle
5	Persian	زنگ	rust; bell; ring
6	Sanskrit	जङ्घा	ankle; shank; thigh
7	Proto-Indo-Aryan	źʰángʰaH	—
8	Proto-Indo-Iranian	ȷ́ʰángʰas	ankle, shank
9	Proto-Indo-European	ǵʰengʰ-o-s	—

Every word from Proto-Indo-European ǵʰengʰ-o-s →Every word from Proto-Indo-Iranian ȷ́ʰángʰas →Every word from Proto-Indo-Aryan źʰángʰaH →