Oblige
Chamber's Etymological of the English Language · 1895 · p. 355
C-blTj', v.i. to bind 01 constrain to bind by some favour rendered, hence to do a favour to. [Fr.—L. obltgo, obligatunt—ob, and ligo, to bind.] [another is obliged or bound. Obligee, ob-h-je', «. {laid) the person to whom
Readham'da tam maddeyi gor →