Russian открыть

← German entdecken (calque)

← French découvrir (calque)

← Old East Slavic отъкрꙑти (inherited)

← Russian от- (affix)

← Russian крыть (affix)

← Proto-Slavic *otъkryti (inherited)

← Proto-Slavic *otъ- (affix)

← Proto-Slavic *kryti (affix)