Where does “κυμαίνω” come from?

κυμαίνω (Ancient Greek) comes from Ancient Greek κῦμα, from Proto-Hellenic kūmə, from Proto-Indo-European ḱúh₁mn̥, from Proto-Indo-European -mn̥ — Creates action nouns or result nouns from verbs.

κυμαίνω (Ancient Greek): to billow, swell

Definitions

to billow, swell

Ancestry of “κυμαίνω”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κῦμα	swell, wave, billow; fetus, embryo
2	Proto-Hellenic	kūmə	swell, wave
3	Proto-Indo-European	ḱúh₁mn̥	—
4	Proto-Indo-European	-mn̥	Creates action nouns or result nouns from verbs

Every word from Proto-Indo-European -mn̥ →Every word from Proto-Indo-European ḱúh₁mn̥ →Every word from Proto-Hellenic kūmə →