Where does “köpük” come from?

köpük (Turkmen) comes from Russian копе́йка, from Russian копьё, from Old East Slavic копие, from Proto-Slavic kopьje, from Proto-Slavic kǫpati, from Proto-Indo-European (s)kep- — to grave, to strike; to chop, to dig; to grave,...

köpük (Turkmen): foam, lather, froth

Definitions

  1. foam, lather, froth

Ancestry of “köpük”, step by step

köpük traces back through two separate lines of ancestry.

via Russian копе́йка

StepLanguageWordMeaning
1Russianкопе́йкаkopek
2Russianкопьёspear, lance, javelin
3Old East Slavicкопиеspear, javelin
4Proto-Slavickopьjejavelin, spear
5Proto-Slavickǫpatito bathe; to swim
6Proto-Indo-European(s)kep-to grave, to strike; to chop, to dig; to grave,...

via Proto-Turkic *köpük

StepLanguageWordMeaning
1Proto-Turkic*köpük—
2Proto-Turkicköp-to swell; foam; to swell, surge
Every word from Proto-Indo-European (s)kep- →Every word from Proto-Slavic kǫpati →Every word from Proto-Slavic kopьje →