Samāʿī means that an idiom is accepted through established use, e.g. “ahlan wa-sahlan”.
Qiyāsī is a construction supported by a recognizable pattern, such as warning expressions, subject to each construction’s restrictions.
The source contrasts the first context with the remaining three, but not every invented wording is thereby licensed.
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Al-Mafʿūl Bih: Definition, Fronting and Omission
Samāʿī means that an idiom is accepted through established use, e.g. “ahlan wa-sahlan”.
Qiyāsī is a construction supported by a recognizable pattern, such as warning expressions, subject to each construction’s restrictions.
The source contrasts the first context with the remaining three, but not every invented wording is thereby licensed.