Where does “murmurer” come from?

murmurer (Old French) comes from Latin murmurō, from Latin murmur, from Proto-Indo-European mormur-.

murmurer (Old French): to whisper

Definitions

Step	Language	Word	Meaning
1	Latin	murmurō	—
2	Latin	murmur	murmur, murmuring; humming, roaring, growling,...
3	Proto-Indo-European	mormur-	—

murmurer — Etymology, Origin & Word History | Etymology Explorer