Where does “западная чайка” come from?

западная чайка (Russian) comes from Russian за́падный, from Russian за́пад, from Old East Slavic западъ, from Proto-Slavic *zapadъ, from Proto-Slavic pastì, from Proto-Balto-Slavic pṓˀstei, from Proto-Indo-European pēd-, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

западная чайка (Russian): western gull (Larus occidentalis)

Definitions

  1. western gull (Larus occidentalis)

Ancestry of “западная чайка”, step by step

западная чайка traces back through two separate lines of ancestry.

via Russian за́падный

StepLanguageWordMeaning
1Russianза́падныйWestern
2Russianза́падwest
3Old East Slavicзападъsunset
4Proto-Slavic*zapadъsunset
5Proto-Slavicpastìto pasture
6Proto-Balto-Slavicpṓˀstei—
7Proto-Indo-Europeanpēd-foot
8Proto-Indo-Europeanped-to walk, to step; to stumble, to fall

via Russian ча́йка

StepLanguageWordMeaning
1Russianча́йкаseagull
2Proto-Slavicčajьkagull
3Proto-Slavic-ьka—
4Proto-Balto-Slavic-ikaʔ—
5Proto-Indo-European-ikeh₂—
Every word from Proto-Indo-European ped- →Every word from Proto-Indo-European pēd- →Every word from Proto-Balto-Slavic pṓˀstei →