Hamzah
هَمْزَة
Shapes in a word
ء
alone
أ
start
ـئـ
middle
ـأ
end

ء never joins the letter after it.

The little catch in the throat in “uh-oh”. It sits on a seat: أ إ ؤ ئ or alone as ء.

In the Quran
Voiced · الجَهْرStrong (stopped) · الشِّدَّةLowered (light) · الاسْتِفَالOpen · الانْفِتَاحRestrained · الإِصْمَات
2

Deepest part of the throat

Right at the vocal folds, furthest from the mouth.

Close the vocal folds at the very bottom of the throat, then release them cleanly — no breathy h.

More words with ء
ءَWith fatha
ءِWith kasra
ءُWith damma
ءْWith sukun
Characteristics (ṣifāt)
VoicedالجَهْرThe breath is held back and the voice carries the letter.
Strong (stopped)الشِّدَّةThe sound stops completely at the makhraj, then releases.
Lowered (light)الاسْتِفَالThe tongue stays low, so the letter sounds light.
OpenالانْفِتَاحThe tongue stays apart from the palate.
RestrainedالإِصْمَاتMade further in, so it takes more care to say.