Q / quintārĭus
adjective

quintārĭus

fem. quintāria · neut. quintārium
belonging to five; containing five; five sixths
of or belonging to five, containing five: quintarius numerus, i. e. five sixths, taking the number six as a whole, Vitr. 3, 1: limes, that encloses five centuriae, Hyg. Limit. p. 158 Goes.