Where does “qozbel” come from?

qozbel (Azerbaijani) comes from Azerbaijani bel, from Persian بیل, from Middle Persian byl, from Proto-Iranian bádHr̥, from Proto-Indo-Iranian bʰádʰHr̥, from Proto-Indo-European bʰedʰh₂- — to dig, burrow; to pierce, stab.

qozbel (Azerbaijani): hunchback, humpback

Definitions

hunchback, humpback

Ancestry of “qozbel”, step by step

qozbel traces back through two separate lines of ancestry.

via Azerbaijani bel

Step	Language	Word	Meaning
1	Azerbaijani	bel	back of the body
2	Persian	بیل	shovel, spade; 12 hours
3	Middle Persian	byl	—
4	Proto-Iranian	bádHr̥	spade, shovel
5	Proto-Indo-Iranian	bʰádʰHr̥	—
6	Proto-Indo-European	bʰedʰh₂-	to dig, burrow; to pierce, stab

via Azerbaijani qoz

Step	Language	Word	Meaning
1	Azerbaijani	qoz	walnut
2	Middle Persian	𐭢𐭥𐭦	walnut
3	Old Persian	angauza	—
4	Old Iranian	*gauza-	—

Every word from Proto-Indo-European bʰedʰh₂- →Every word from Proto-Indo-Iranian bʰádʰHr̥ →Every word from Proto-Iranian bádHr̥ →