اِقْتَتَلَ is the Form VIII perfect and يَقْتَتِلُ its active imperfect. For the longer-stem place/time pattern, compare the passive imperfect:
يُقْتَتَلُ ← مُقْتَتَلٌ
The imperfect prefix is replaced by mīm with ḍammah, and the penultimate radical has fatḥah. The resulting form is shaped like the passive participle; place or time meaning is established by use and context.
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Analysing مُقْتَتَلٌ
Ism al-Ẓarf: Meaning, Patterns, Paradigm and Derivation
اِقْتَتَلَ is the Form VIII perfect and يَقْتَتِلُ its active imperfect. For the longer-stem place/time pattern, compare the passive imperfect:
يُقْتَتَلُ ← مُقْتَتَلٌ
The imperfect prefix is replaced by mīm with ḍammah, and the penultimate radical has fatḥah. The resulting form is shaped like the passive participle; place or time meaning is established by use and context.