Roots/*mur-mur-“to murmur, to mutter softly”Debatedsoundcommunicationmurmur, mutterOnomatopoeic root of Latin murmur, yielding English murmur, mutter.Related Roots(s)teh₂n-“to thunder”(s)tenh₂-“to crash, to thunder”bhewdh-“to be aware, to make aware”bʰeh₁-mn̥-₂“a speaking, a statement”bʰeh₁-tl-“instrument of speaking, lips”bʰeh₂-“to speak, to say, to tell”bʰeh₂-sko-“to speak, to utter sounds”bʰleh₁-k-“to cry out, to bleat”