Where does “Costeștii din Deal” come from?

Costeștii din Deal (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 Deal”, step by step

Costeștii din Deal 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 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

via Romanian deal

StepLanguageWordMeaning
1Romaniandealhill
2Old Church Slavonicдѣлъ
3Proto-Slavicdělъpart
Every word from Proto-Indo-European pós