U / undēquinquāgēsĭmus
adjective

undēquinquāgēsĭmus

fem. undēquinquāgēsĭma · neut. undēquinquāgēsĭmum
undequinquaginta
the forty-ninth
the forty-ninth dies, Cic. Imp. Pomp. 12, 35; Vell. 2, 17, 3.