Derivatives from the same root need not mean the same thing. From ḍ-r-b:
Word / formMeaning / explanation
ضَرَبَhe struck: a perfect verb.
ضَارِبٌone who strikes: active participle.
مَضْرُوبٌsomeone/something struck: passive participle.
مَضْرِبٌa place or time of striking: a place/time noun pattern.
The event, agent, patient and setting are four distinct semantic roles.
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Ism al-Ẓarf: Meaning, Patterns, Paradigm and Derivation
Derivatives from the same root need not mean the same thing. From ḍ-r-b:
Word / formMeaning / explanation
ضَرَبَhe struck: a perfect verb.
ضَارِبٌone who strikes: active participle.
مَضْرُوبٌsomeone/something struck: passive participle.
مَضْرِبٌa place or time of striking: a place/time noun pattern.
The event, agent, patient and setting are four distinct semantic roles.