S / sesquĭ-octāvus
adjective hapax

sesquĭ-octāvus

fem. sesquĭ-octāva · neut. sesquĭ-octāvum
corresp. to the Gr. ἐπόγδοος
containing nine eighths; one and an eighth; bearing the ratio of nine to eight
containing nine eighths, or one and an eighth; bearing the ratio of nine to eight: intervallum, Cic. Univ. 7, 21; cf. sesquitertius, and v. sesqui.