Tenácitas, pen. cor. tenacitâtis, f. g. Liu.Hardnesse in sparing of expences: nigardship: perseuering: stedfast abiding: retayning: keeping.Cibum vnguium tenacitate arripiunt.Cic.
Lewis and Short: Latin dictionary
tĕnācĭtas, ātis, f. [tenax], a holding fast, tenacity (very rare). I. In gen.: (animalia) cibum partim unguium tenacitate arripiunt, Cic. N. D. 2, 47, 122; Plin. 9, 29, 46, 86.—II. In partic., a holding fast to money, niggardliness, parsimony, Liv. 34, 7, 4.