κῦμα
Alt. κῦμα, ατος, τό,
Etym. κύω
"anything swollen" (as if "pregnant"):—hence,
I. "the swell" of the sea, "a wave, billow", Hom., etc.; collectively, ὡς τὸ κῦμα ἔστρωτο when "the swell" abated, Hdt.
b. metaph. of "a flood" of men, Aesch.:—metaph., κ. ἄτης, κακῶν, συμφορᾶς id=Aesch., Eur.
II. "the foetus in the womb, embryo", Aesch.; of the earth, id=Aesch.