Where does “pitulice de Himalaya” come from?

pitulice de Himalaya (Romanian) comes from Romanian de, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti, from Proto-Indo-European pós — afterwards, post; by, at.

pitulice de Himalaya (Romanian): Hume's leaf warbler (Phylloscopus humei)

Definitions

Hume's leaf warbler (Phylloscopus humei)

Ancestry of “pitulice de Himalaya”, step by step

pitulice de Himalaya traces back through two separate lines of ancestry.

via Romanian de

Step	Language	Word	Meaning
1	Romanian	de	from; of; by
2	Latin	dē	of; concerning; about
3	Latin	post	behind; after, since, besides, except; behind,...
4	Latin	poste	ablative singular of postis
5	Proto-Italic	posti	behind, after
6	Proto-Indo-European	pósti	after
7	Proto-Indo-European	pós	afterwards, post; by, at

via Romanian pitulice

Step	Language	Word	Meaning
1	Romanian	pitulice	wren; chiffchaff
2	Romanian	pitula	to hide
3	Romanian	piti	to hide

Every word from Proto-Indo-European pós →Every word from Proto-Indo-European pósti →Every word from Proto-Italic posti →