Where does “*fremiō” come from?

*fremiō (Vulgar Latin) comes from Latin fremō, from Proto-Indo-European bʰrem-, from Proto-Indo-European bʰer- — to bear, carry.

Ancestry of “*fremiō”, step by step

StepLanguageWordMeaning
1Latinfremōto murmur, mutter, grumble, growl at or after something
2Proto-Indo-Europeanbʰrem-to make noise
3Proto-Indo-Europeanbʰer-to bear, carry
Every word from Proto-Indo-European bʰer- →Every word from Proto-Indo-European bʰrem- →Every word from Latin fremō →