stratum betyder på ryska

Engelska	Ryska
stratum [strata] (one of several parallel horizontal layers of material arranged one on top of another) noun [UK: ˈstrɑː.təm] [US: ˈstræ.təm]	слойnoun {m}
adstratum (Any language having elements that are responsible for change in neighbouring languages) noun	адстратnoun {m}
substratum [substrata] (a layer that lies underneath another) noun [UK: ˌsʌb.ˈstrɑː.təm] [US: ˌsʌb.ˈstrɑː.təm]	субстратnoun {m}
superstratum [superstrata] (a language imposed upon a population that previously spoke another language) noun [UK: ˌsjuː.pə.ˈstreɪ.təm] [US: ˈsuː.pə.ˌstrɑː.təm]	суперстратnoun {m}

Sökhistorik