Lewis & Short

pensĭcŭlo, āre, v. a. [pendo], to weigh, ponder, consider (post-class.): pensicula utrumque, modulareque (al. pensiculate moderateque), Gell. 13, 20, 11: scripta, App. Flor. p. 364; id. Deo. Soc. p. 103 init.
Hence, pensĭcŭlātē, adv., carefully (post-class.): pensiculate (al. pensim) scripta, Gell. 1, 3, 12.