Usage: 3 forms in 4 verses
Form Translated As     In Verse(s)
κυμαινούσησ swelling up LXX.Isa.5.30
κυμαίνουσιν swell up LXX.Jer.46.7
κυμαίνουσα swelling up LXX.Isa.17.12LXX.Jer.6.23

Liddell-Scott-Jones

κυμαίνω (kumainō) to swell up G:V

κυμαίνω-αίνω,

future κυμᾰνῶ Xuthusap.[Refs 4th c.BC+]: aorist ἐκύμηνα [Refs 2nd c.AD+]: aorist 1 passive ἐκυμάνθην [Refs 1st c.AD+]: (κῦμα):—rise in waves, swell, ἐπὶ πόντον ἐβήσετο κυμαίνοντα over the billowy sea, [Refs 8th c.BC+]; of a pot, boil, [Refs 5th c.BC+]; κυμανεῖ τὸ ὅλον Xuthusl. c.; κ. τῇ πορείᾳ undulate, of caterpillars, [Refs 4th c.BC+]; of a line of soldiers, [Refs 1st c.AD+]

__2 metaphorically, of restless passion, swell, seethe, κυμαίνοντ᾽ ἔπη [Refs 5th c.BC+]; αἱ ψυχαὶ κ. μειζόνως, with passion, [Refs 5th c.BC+]
__3 transitive, toss on the waves, τὸ δέπας [Refs 6th c.BC+]; agitate, τὴν θάλατταν [Refs 7th c.BC+]:—passive, to be agitated, τὸ πέλαγος κ. [Refs 5th c.BC+]; vibrate, [Refs 2nd c.AD+]
__II (κῦμα [Refs] to swell, to be pregnant, κ. γαστέρα [Refs 3rd c.AD+]; κύστιδα[Refs 2nd c.AD+]:—middle, Σεμέλης κυμαίνετο γαστήρ [Refs 4th c.AD+]