Origin of chernozemRussian ?ernozem from ?ernaja, feminine of ?ernyj, black + zemlja, earth: for Indo-European base see homo
Origin of chernozemRussian chernozëm chërnyĭ 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)".