ὑπονόστ-ησις · hyponost-ēsis — LSJ
retirement, sinking, subsiding, θαλάσσης Plu. Ant. 3; of the Nile, Hld. 9.22 (pl.); ὑ. ἀέρος εἰς γῆν, as a definition of an earthquake, Anaxag. ap. D.L. 2.9; τοῦ θερμοῦ Gal. 1.689: metaph., ἀλαζονείας Ph. Fr. 102 H.