Latin prōlongō

→ English prolong (derived)

→ English prolongation (derived)

→ Spanish prolongación (derived)

→ French prolongation (derived)

→ Old French prolongation (derived)

→ Old French porloignier (mention)

→ Latin prolongans (mention)

→ Latin prolongaturus (mention)

→ Latin prolongatus (mention)

→ Latin prolongandus (mention)

→ Dutch prolongeren (derived)

→ Dutch prolongatie (mention)