Latin expertus

← Proto-Indo-European *per- (root)

← Latin experior (mention)

→ English expert (mention)

→ Esperanto sperto (mention)

→ Spanish experto (borrowed)

→ French expert (derived)

→ Indonesian eksper (derived)

→ Italian esperto (derived)

→ Norwegian Bokmål ekspert (derived)

→ Dutch expert (derived)

→ Norwegian Nynorsk ekspert (derived)

→ Norman expèrt (derived)

→ Portuguese experto (borrowed)

→ Portuguese esperto (inherited)

→ Romanian expert (mention)

→ Yiddish עקספּערט (derived)