quŏtēni, ae, a, num. distrib. adj. [quot],
how many (class.): is ita partes fecit, nescio quotenorum jugerum, Cic. Att. 12, 33, 1: quotenos suae aetatis annos Christus absolverit, Ven. Carm. 6, 5.
quotēnī ae, a, numdistrib. quot, how many, of what number each : is ita partīs fecit, nescio quote...
An Elementary Latin Dictionary