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From the past participle of the verb to hamzate, from hamza + -ate. By surface analysis, hamza + -ated.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Having a hamza (ء (ʔ)) as one of its radicals, which may be realised as ء (ʔ) (stand-alone hamza), أ (ʔ), آ (ʔā), إ (ʔ), ؤ (ʔ) or ئ (ʔ) in writing, depending on the surrounding vowels and consonants. The exact orthography is determined by the rules of the seat of hamza. Full definition →