The story
- Proto-Indo-European · derived from*leyǵ-“to bind”
- Latin · derived fromobligatio, obligationem
- Old French · derived fromobligacion
- Middle English · inherited fromobligacioun
- English todayobligation
From Middle English obligacioun, from Old French obligacion, from Latin obligatio, obligationem, from obligatum (past participle of obligare), from ob- (“to”) + ligare (“to bind”), from Proto-Indo-European *leyǵ- (“to bind”).
Words from the same roots
Proto-Indo-European*leyǵ- all →
liaisonallyleech
Etymology from Wiktionary, CC BY-SA 4.0.