--- In cybalist@..., "Piotr Gasiorowski" <gpiotr@...> wrote:
> Same as in Spanish (in recent times): weakening of the tongue-tip
articulatory component of [s.] and preserving the sound's "dark"
quality by raising the dorsum of the tongue towards the soft palate.
It's a relatively common type of lenition, like the Iranian, Prakrit,
Greek, Welsh, dialectal Spanish, ... (etc.) lenition of [s] > [h] in
some positions.
>
Which Prakrits have this sound? It just doesn't seem to strike me as
an Indian sound (it sounds right for the other languages you mention
though) whereas the 'kh' sound is very Indian.