per-callesco — Lewis & Short
per-callesco, callŭi, 3,
I v. inch. n. and a. *
I Neutr., to become very hardened, very callous:
civitatis patientia percalluerat,Cic. Mil. 28, 76.—
II Act., to get a good knowledge of; in perf., to be well acquainted with, to know well, be well versed in:
usum rerum,Cic. de Or. 2, 34, 137; so,
disciplinas Stoicas et dialecticas,Gell. 1, 22, 7:
leges,id. 20, 1, 20:
quinque et viginti gentium linguas,id. 17, 17, 2.