I / ĭon
noun

ĭon

gen. ĭi · gender neuter · decl. 2nd
A kind of violet
A kind of violet, Plin. 21, 11, 38, § 64; plur.: ia, id. 21, 6, 14, § 27. —
A precious stone of a violet color
A precious stone of a violet color, Plin. 37, 10, 61, § 170.