T / tĕtartēmŏrĭon
noun greek

tĕtartēmŏrĭon

gen. ii · gender neuter · decl. 2nd
= τεταρτημόριον,
a fourth
a fourth of the zodiac, Plin. 7, 49, 50, § 160; Hyg. Limit. p. 173 Goes.