>>307
>ʕ(which strangely came from [d])
Reminds me of T-glottalization in English, but with voiced stop instead – and interestingly, the /ʕ/ of Arabic can be analysed as a pharyngealised glottal stop instead, and in Hebrew the cognate sound is just a glottal stop.
https://en.wikipedia.org/wiki/T-glottalization