atar, obrigar.

http://lila-erc.eu/data/lexicalResources/LatinPortuguese/Velez/id/LexicalSense/n2329.sg01.s01 an entity of type: LexicalSense

atar, obrigar. 
accus. & abl. interdum additur dativ. | interdum accus. & dat. 
atar, obrigar, 

data from the linked data cloud