Aspectضَاعَفَضَعَّفَ
FormIIIII
Patternfāʿalafaʿʿala
Presentyuḍāʿifuyuḍaʿʿifu
Verbal nounmuḍāʿafahtaḍʿīf
Sense hereMultiply/doubleMultiply/double
Both come from ḍ–ʿ–f. Different derivational structures can overlap in the meaning of a particular lexical example.