'Ayn عَيْن
A squeezed sound from the middle of the throat. No English letter is like it.
Its shapes
Trace it with your finger
👄 Where the sound comes from
The throat: its middle part · ع
Squeeze the middle of the throat.
⚖️ Don't mix it up with
- غ
Ghayn · heavy
Like gargling softly, from the top of the throat.
Say 'Ayn and the other letter one after the other, slowly, and feel the difference. A teacher can check you.