S / sēmĭ-hōra
noun

sēmĭ-hōra

gen. sēmĭ-hōrae · gender feminine · decl. 1st
a half-hour; half an hour
a half-hour, half an hour, Cic. Rab. Perd. 2, 6; Cels. 3, 21; Petr. 69, 4; Auct. B. Afr. 38.