Where does “долгоножка” come from?

долгоножка (Russian) comes from Russian до́лгий, from Proto-Slavic dь̀lgъ, from Proto-Balto-Slavic dílˀgas, from Proto-Indo-European dl̥h₁gʰós — long.

долгоножка (Russian): cranefly

Definitions

cranefly

Ancestry of “долгоножка”, step by step

долгоножка traces back through two separate lines of ancestry.

via Russian до́лгий

Step	Language	Word	Meaning
1	Russian	до́лгий	long
2	Proto-Slavic	dь̀lgъ	long
3	Proto-Balto-Slavic	dílˀgas	long
4	Proto-Indo-European	dl̥h₁gʰós	long

via Russian нога́

Step	Language	Word	Meaning
1	Russian	нога́	foot, leg; legs; leg
2	Old East Slavic	нога	leg
3	Proto-Slavic	nogà	foot, leg
4	Proto-Indo-European	h₃nogʰ-	claw, nail; nail

Every word from Proto-Indo-European dl̥h₁gʰós →Every word from Proto-Balto-Slavic dílˀgas →Every word from Proto-Slavic dь̀lgъ →