| Root |
|---|
| ء ث م (ʔ-ṯ-m) |
Cognate with Hebrew אשמה (ʾašma), but compare Persian خشم.
إِثْم • (ʔiṯm) m (plural آثَام (ʔāṯām))
| Singular | basic singular triptote | ||
|---|---|---|---|
| Indefinite | Definite | Construct | |
| Informal | إِثْم ʔiṯm |
الْإِثْم al-ʔiṯm |
إِثْم ʔiṯm |
| Nominative | إِثْمٌ ʔiṯmun |
الْإِثْمُ al-ʔiṯmu |
إِثْمُ ʔiṯmu |
| Accusative | إِثْمًا ʔiṯman |
الْإِثْمَ al-ʔiṯma |
إِثْمَ ʔiṯma |
| Genitive | إِثْمٍ ʔiṯmin |
الْإِثْمِ al-ʔiṯmi |
إِثْمِ ʔiṯmi |
| Dual | Indefinite | Definite | Construct |
| Informal | إِثْمَيْن ʔiṯmayn |
الْإِثْمَيْن al-ʔiṯmayn |
إِثْمَيْ ʔiṯmay |
| Nominative | إِثْمَانِ ʔiṯmāni |
الْإِثْمَانِ al-ʔiṯmāni |
إِثْمَا ʔiṯmā |
| Accusative | إِثْمَيْنِ ʔiṯmayni |
الْإِثْمَيْنِ al-ʔiṯmayni |
إِثْمَيْ ʔiṯmay |
| Genitive | إِثْمَيْنِ ʔiṯmayni |
الْإِثْمَيْنِ al-ʔiṯmayni |
إِثْمَيْ ʔiṯmay |
| Plural | basic broken plural triptote | ||
| Indefinite | Definite | Construct | |
| Informal | آثَام ʔāṯām |
الْآثَام al-ʔāṯām |
آثَام ʔāṯām |
| Nominative | آثَامٌ ʔāṯāmun |
الْآثَامُ al-ʔāṯāmu |
آثَامُ ʔāṯāmu |
| Accusative | آثَامًا ʔāṯāman |
الْآثَامَ al-ʔāṯāma |
آثَامَ ʔāṯāma |
| Genitive | آثَامٍ ʔāṯāmin |
الْآثَامِ al-ʔāṯāmi |
آثَامِ ʔāṯāmi |