λῑτότης · litotēs — LSJ
plainness, simplicity, κόσμου Democr. 274; τῶν στεφάνων Thphr. Fr. 142; τὴν λ. διώκουσι D.S. 2.59; λ. διαίτης Cic. Fam. 7.26.2; cj. for λεπτότης in Epicur. Sent.Vat. 63.
Gramm., a figure of speech, assertion by means of understatement (cf. μείωσις) or negation, Serv. ad Verg. G. 2.125, Donat. ad Ter. Hec. 775.