undecentum
undēcentum, num. adj. [unus-decentum],
- ninety-nine: anni, Plin. 7, 60, 60, § 214.
ūndēcentum (unus, de u. centum), neunundneunzig, anni, Plin. 7, 214.
ūndēcentum, indécl. (unus, de, centum), quatre-vingt-dix-neuf [cent moins un] : Plin. 7, 214.