Where does “примо́рье” come from?

примо́рье (Russian) comes from Russian мо́ре, from Old East Slavic море, from Proto-Slavic moře, from Proto-Balto-Slavic *mári, from Proto-Indo-European móri, from Proto-Indo-European mer- — to die; to disappear; sea, lake, wetland.

Ancestry of “примо́рье”, step by step

примо́рье traces back through two separate lines of ancestry.

via Russian мо́ре

StepLanguageWordMeaning
1Russianмо́реsea
2Old East Slavicмореsea, lake
3Proto-Slavicmořesea; body of water
4Proto-Balto-Slavic*márisea
5Proto-Indo-Europeanmórisea; standing water
6Proto-Indo-Europeanmer-to die; to disappear; sea, lake, wetland

via Russian при

StepLanguageWordMeaning
1Russianприin the presence of; in the time of; at, by
2Proto-Slavicprinext to, by, at; with; to
3Proto-Balto-Slavicpreiat, with
4Proto-Indo-Europeanper-before, in front; first; to go through
5Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “примо́рье

Every word from Proto-Indo-European mer-Every word from Proto-Indo-European móriEvery word from Proto-Balto-Slavic *mári