Lewis & Short

tĕnācĭtas, ātis, f. [tenax], a holding fast, tenacity (very rare).

  1. * I. In gen.: (animalia) cibum partim unguium tenacitate arripiunt, Cic. N. D. 2, 47, 122; Plin. 9, 29, 46, § 86.
  2. II. In partic., a holding fast to money, niggardliness, parsimony, Liv. 34, 7, 4.