per-lĕvis, e, adj.,
very light , very slight : momentum, Cic. Agr. 2, 29, 80; Liv. 21, 43, 11; 24, 34, 2.—Adv.: per-lĕvĭter , very lightly , very slightly : commotus, Cic. Q. Fr. 2, 6, 1; id. Tusc. 3, 25, 61.
per-levis e, adj.,very slight, trifling: perlevi momento fortunae pendēre, C., L. ...
An Elementary Latin Dictionary