anthonyappleyard2 <no_reply@> wrote:
> My guess is:-
> H1 was the glottal stop.
> H2 was the voiceless epiglottal fricative heard in Arabic
> "MuH2ammad",
> and is sometimes transcribed as [h] with a dot under. The separate
> form of its Arabic letter looks like a 2 rotated 180deg.
> H3 was the ayin sound, as in Arabic [muH3allim] = "teacher". ...
> Some say that there were two H1's. If so, then the other form was
> the ordinary h sound.

--- "etherman23" <etherman23@...> wrote:
> My current thinking (which presumes the Glottalic Theory and
> Indo-Tyrrhenian Hypothesis) is that:
> H1 was /S/
> H2 was /h/ or perhaps /x/
> H3 was /?/
> That H2 is /h/ is fairly well agreed upon. In Indo-Iranian it
> aspirates preceeding stops and it is phonetically low which would
> give it the a-coloring property.

The /h./ sound would do this also, and (in my mouth at least) A-colors
vowels more strongly than /h/ does.

> My assumption that H3 is a glottal stop is based on the Glottalic
> Theory. H3 voices stops. ...

I find that, in my mouth at least, ayin tends to O-color vowels, and
glottal stop does not.