Sors | Webster's Dictionary of the English Language

sors
sors, tis (nom. sortis, Plaut. Cas. 2, 6, 28; abl. sorti. C. I. L. 198, 54; 200, 16; Plaut. Cas. 2, ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
sors
sors (old nom.sortis, T.), tis, abl.sorte or sortī, f 1 SER-, a lot : tot in hydriam sortes conice...

An Elementary Latin Dictionary