Sēmo — Lewis & Short
Sēmo, ōnis, m.probably from sēmen,
I an ancient god that presided over the crops:
SEMVNIS ALTERNEI ADVOCAPIT CONCTOS, song of the Fratres Arvales,Inscr. Orell. 2270.—As an epithet of Sancus, Ov. F. 6, 214; Liv. 8, 20; Inscr. Orell. 1860; 6999.