ἀνάποσις
From LSJ
Τὰ μηδὲν ὠφελοῦντα μὴ πόνει μάτην → Ne tu labores frustra in iis, quae nil iuvant → Müh nicht umsonst mit dem, was dir nichts nützt, dich ab
English (LSJ)
-εως, ἡ, swallowing up, of rivers, Olymp.in Mete.218.12, al.
Spanish (DGE)
-εως, ἡ
desaparición ποταμῶν Olymp.in Mete.114.12, cf. 99.36, 106.8, 111.22, 114.5, 121.6.