Russian мудрый

← German munter (cognate)

← Proto-Germanic *mundraz (cognate)

← Proto-Balto-Slavic *mandras (inherited)

← Proto-Indo-European *mondʰh₁ros (inherited)

← Proto-Indo-European *meHndʰ- (suffix)

← Proto-Indo-European *-rós (suffix)

← Lithuanian mandrùs (cognate)

← Old East Slavic мудръ (inherited)

← Proto-Slavic *mǫdrъ (inherited)

→ Romanian mândru (cognate)

→ Russian умудрить (affix)