ḱwey-

“to hiss, whistle”

Debatedsoundspeech

Source of English whistle, whisper, German wispern

Root for hissing sounds, yielding English whistle, whisper, German wispern.‍‍‍‍‌‍‌‍‍‍‌‍‍‍‌‌‌‍‍‍‍‌‍‌‍‌‌‌‌‌‍‍

(s)teh₂n-“to thunder”(s)tenh₂-“to crash, to thunder”bʰeh₁-mn̥“utterance, speech”bʰleh₁-k-“to cry out, to bleat”bʰleh₁-s-“to blow, to blast”bʰormo-“to buzz, murmur, drone”bʰrem-“to hum, to buzz, to make a low sound”del-“to count, recount, tell”