per-lĭbet — Lewis & Short
per-lĭbet or -lŭbet, ēre,
I v. impers., it is very pleasing or agreeable, I should very much like:
colloqui,Plaut. Capt. 4, 2, 53:
scire,id. Rud. 2, 3, 23.—Hence, perlĭ-bens (-lŭbens), entis, P. a., doing or seeing a thing very willingly, i. e. with good will or pleasure:
ausculto perlubens,Plaut. Trin. 3, 3, 50; 4, 3, 34:
me perlubente allisus est,to my great delight, Cic. Q. Fr. 2, 6, 6.—Hence, adv.: perlĭbenter (per-lŭbenter), very willingly, with great pleasure, Cic. Univ. 1; id. Att. 8, 14, 2; cf. id. Fam. 7, 14.