French dernier

← French derrenier (mention)

← French premier (mention)

← Old French derrain (derived)

← Latin dē (derived)

← Latin retrō (mention)

← Latin -ānus (mention)

→ English dernier (borrowed)

→ English darrein (mention)

→ French der (clipping)

→ French avant-dernier (mention)

→ French dernièrement (suffix)

→ Galician derradeiro (cognate)

→ Norman dèrnyi (cognate)

→ Portuguese derradeiro (cognate)