Where does “Nănăștean” come from?

Nănăștean (Romanian) comes from Romanian Nănești, from Romanian -ești, from Latin -ēscō, from Proto-Italic *-ēskō.

Ancestry of “Nănăștean”, step by step

StepLanguageWordMeaning
1RomanianNănești—
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-Italic *-ēskō →Every word from Romanian -ești →Every word from Latin -ēscō →