Where does “nido” come from?

nido (English) comes from Tagalog nido, from Spanish nido, from Latin nīdus, from Proto-Italic nizdos, from Proto-Indo-European nisdós, from Proto-Indo-European h₁ni, from Proto-Indo-European h₁én — in.

Ancestry of “nido”, step by step

Step	Language	Word	Meaning
1	Tagalog	nido	edible bird's nest
2	Spanish	nido	nest
3	Latin	nīdus	nest
4	Proto-Italic	nizdos	nest
5	Proto-Indo-European	nisdós	nest
6	Proto-Indo-European	h₁ni	down
7	Proto-Indo-European	h₁én	in

Words derived from “nido”

nidology
nidologist

Every word from Proto-Indo-European h₁én →Every word from Proto-Indo-European h₁ni →Every word from Proto-Indo-European nisdós →