I never thought of it as onomatopoeic before but, if I string the sound out – pooooooour – making the “o” noisy and its pitch rise slowly it does remind me of t

I never thought of it as onomatopoeic before but, if I string the sound out – pooooooour – making the “o” noisy and its pitch rise slowly it does remind me of the sound of a cup being filled from a tap. Ok, I still think it’s an unusual example but you’ve convinced me. I retract my earlier comment and replace it with a “today I learned” for me. :)