Lewis & Short

Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.

sēdĕcim (also written sexdĕcim), num. adj. [sex-decem], sixteen, Plaut. Rud. 5, 3, 66; Ter. Eun. 3, 3, 20; 4, 4, 26; Caes. B. G. 1, 8; Liv. 33, 3; 37, 40; Plin. 10, 33, 51, § 103 al.: sexdecim, Liv. 33, 30; Col. 2, 10 fin.; Nep. Att. 16, 3 (separately, decem et sex, Liv. 10, 31, 7; 37, 40 init.).

sexdĕcim, v. sedecim.