tredecim
form analysis and translation based on Perseus (Version 2010):
tredecim NUM  thirteen
Helmut Schmid's TreeTagger with Latin data by Gabriele Brandolini: tredecim ADJ:NUM
Georges, Ausführliches lateinisch-deutsches Handwörterbuch, 8. Aufl. (1913)
tredecim (tres u. decem), dreizehn, Liv. u.a. – vulg. tredecem, Corp. inscr. Lat. 14, 1009. – Dafür tres et decem, Cic. Sex. Rosc. 99. Arnob. 4, 25: decem et tres, Cic. Sex. Rosc. 20. Curt. 6, 4 (10), 6: decem tres, Liv. 37, 30, 8: decem tria, Liv. 26, (show full text)
Lewis & Short, A latin dictionary (1879)
tredecim trĕdĕcim (tresd-, Front. Aquaed. 33), num. adj. tres-decem, thirteen: tredecim captis navibus, Liv. 36, 45, 3: centum tredecim senatores, Tac. H. 5, 19 fin.: equus emptus talentis tredecim, Gell. 5, 2, 2 (for which we have decem et tres, Cic. Rosc. Am. 7, 20: decem tres, Liv. (show full text)
Gaffiot, Dictionnaire latin-français (2016, ex 1934), merci à G. Gréco, M. De Wilde, B. Maréchal, K. Ôkubo!
tredecim trĕdĕcim, ind. (tres, decem), treize : Liv. 36, 45, 3, etc.
Дворецкий И.Х., Отличный латинско-русский словарь (1976)
tredecim tredecim [tres + decem] тринадцать L, T etc.