French merlon

← Proto-Indo-European *h₂ems- (root)

← Proto-Indo-European *h₂ems- (derived)

← Italian merlone (derived)

← Italian merlo (mention)

← Italian -one (mention)

← Latin merlus (mention)

← Latin merula (derived)

→ English merlon (borrowed)

→ Italian merlo (cognate)

→ Romanian merlon (borrowed)