S / sŭper-quintus
adjective

sŭper-quintus

fem. sŭper-quinta · neut. sŭper-quintum
of a number
one fifth as much more
one fifth as much more (i. e. which bears to another the ratio of 6 to 5): numerus, Boëth. Arithm. 1, 24; Mart. Cap. 7, § 761 sq.