Where does “Costeștii din Vale” come from?

Costeștii din Vale (Romanian) comes from Romanian din, from Romanian în, from Latin de retro, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti — afterwards, post; by, at.

Ancestry of “Costeștii din Vale”, step by step

Costeștii din Vale traces back through 3 separate lines of ancestry.

via Romanian din

StepLanguageWordMeaning
1Romaniandinon, on top of; from, out of
2Romanianînin, into, within; in, on, when
3Latinde retrofrom behind
4Latinof; concerning; about
5Latinpostbehind; after, since, besides, except; behind,...
6Latinposteablative singular of postis
7Proto-Italicpostibehind, after
8Proto-Indo-Europeanpóstiafter
9Proto-Indo-Europeanpósafterwards, post; by, at

via Romanian vale

StepLanguageWordMeaning
1Romanianvalevalley
2Latinvallisvalley, vale; hollow; dative plural of vāllum
3Proto-Indo-EuropeanwēlH-to roll, to undulate
4Proto-Indo-EuropeanwelH-to turn, to wind

via Romanian Costești

StepLanguageWordMeaning
1RomanianCostești
2Romanian-eștiplural of -esc; Used with a stem to form the...
3Latin-ēscōAttaches to a stem (a noun or adjective) to form a verb meaning “to become [stem]” or similar
4Proto-Italic*-ēskō
Every word from Proto-Indo-European pósEvery word from Proto-Indo-European póstiEvery word from Proto-Italic posti