chernozem[c̸her′nə zem′, -zyôm′]
Origin of chernozemRussian ; from chernyi, black + zemlya, earth: for Indo-European base see homage
Origin of chernozemRussian chernoz&edie;m : ch&edie;rnyĭ, black + Old Russian zemĭ, earth; see dhghem- in Indo-European roots.
(countable and uncountable, plural chernozems)
From Russian чернозём (černozjóm), "black soil", letter "ё (jó)" is usually written as "е (je)" in Russian, more accurately transliterated as "chernozyom", also cf. Черноземье (Černozémʹje) where "ё (jó)" is changed to "е (je)".