Latin nosco

← Proto-Indo-European *ǵneh₃- (root)

← Proto-Indo-European *ǵn̥h₃sḱéti (inherited)

← Proto-Italic *gnōskō (inherited)

← Latin gnōscō (mention)

→ English noble (mention)

→ English agnogenic (derived)

→ English agnoprotein (derived)

→ Latin cognosco (affix)

→ Norman nobl'ye (mention)