همزة الوصل vs همزة القطع — The Two Types of Hamza
Hamza (ء) is a consonant with the sound ah/glottal stop. It is distinct from alif (ا), which is a vowel that only elongates a preceding fatḥa. Since alif is a vowel, it can never begin a word — any alif-shaped letter at the start of a word is actually a Hamza.
There are two types of Hamza, distinguished by their behaviour at the juncture between words.
Hamzatul Qaṭʿ (همزة القطع) — The Cutting Hamza
- Always pronounced, regardless of what precedes it
- Can appear at the beginning, middle, or end of a word
- Marked with ء written above or below the alif: أَ / إِ
- Examples: أَكبَر، إِلٰه، سَأَلَ، يَقرَأُ
Hamzatul Waṣl (همزة الوصل) — The Connecting Hamza
A special Hamza that acts as a phonetic "bridge":
- Only ever at the beginning of a word
- Dropped in pronunciation when the preceding word ends in a vowel or consonant that can carry the transition
- Pronounced only when the word is the absolute start of an utterance (nothing precedes it)
- In the muṣḥaf, marked with a small ص (ṣad)-shaped sign; in normal Arabic script, it carries no special mark
Behaviour
| Context | Pronunciation |
|---|---|
| Start of utterance (nothing before) | Pronounced: اِسمٌ → ismu |
| After a preceding word | Dropped: وَاسمٌ → wasmun (not wa-ismu) |
Examples
| With preceding word | Without preceding word |
|---|---|
| بِسمِ اللهِ (not بِإِسمِ) | اِسمٌ |
| وَاللهِ (not وَإِللهِ) | اللهُ |
Exception: After يَا (yā), the Hamza is retained: يا اللهُ (not yallāh).
Where Hamzatul Waṣl Occurs
In Verbs — Qiyāsī (Rule-Governed)
The following verb forms always begin with Hamzatul Waṣl: - Form VII maṣdar — e.g. اِنكِسَار - Form VIII verb and maṣdar — e.g. اِجتَمَعَ، اِجتِمَاع - Form IX verb and maṣdar — e.g. اِحمَرَّ - Form X verb and maṣdar — e.g. اِستَغفَرَ، اِستِغفَار
Because a rule governs this, it is called قياسي (qiyāsī).
In Nouns — Samāʿī (Conventional)
Only ten nouns begin with Hamzatul Waṣl. There is no rule — they are memorised as exceptions (سماعي, samāʿī):
| Noun | Meaning |
|---|---|
| اِسم | name |
| اِبن | son |
| اِبنة | daughter |
| اِمرُؤ | man / person |
| اِمرَأة | woman |
| اِثنان | two (m.) |
| اِثنَتَان | two (f.) |
| اِسم | name |
| أَيمُن | right (in oaths) |
| اِستٌ | (archaic) |
Plural vs Singular
The Hamzatul Waṣl does not carry to derived forms. Example: اِسم begins with Hamzatul Waṣl, but its plural أَسمَاء begins with Hamzatul Qaṭʿ. There is no rule linking them.
Hamzatul Waṣl in Bismillāh
In بِسمِ اللهِ, the Hamza of اِسم is omitted both in pronunciation and in writing — a scribal convention resulting from the extremely frequent use of this phrase, preserved in the Uthmānic muṣḥaf. In all other Quranic instances of bismi (e.g. بِسمِ رَبِّك), the Hamza is retained in writing even though it is dropped in pronunciation.
Key Distinction: Qiyāsī vs Samāʿī
| Term | Arabic | Meaning |
|---|---|---|
| Qiyāsī | قياسي | Rule-governed; can be applied systematically to new words |
| Samāʿī | سماعي | Convention only; no rule; must be memorised |
Arabic grammar was reverse-engineered from natural usage. Where a rule was found to cover many cases, those cases are qiyāsī. Where no rule fits, the usage is samāʿī and must simply be accepted.
Session References
- Selections from the Glorious Quran Session 1: Full explanation with Bismillāh as the anchor example; the ten samāʿī nouns; qiyāsī occurrence in verb forms; the special writing rule for Bismillāh.