Where does “nidito” come from?

nidito (Spanish) comes 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 “nidito”, step by step

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

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