lentitudo

lentitūdō inis, f

lentus, sluggishness, dulness, apathy, insensibility : vitiosum nomen: non irasci est lentitudinis.

lentitudo
lentĭtūdo, ĭnis, f. [lentĭtĭes], slowness, sluggishness, inactivity. I Lit.: conjuratorum, Tac. A...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.