والفرق بين هذا وبين إطلاق المرسن على الأنف
This differs from applying the animal-related term *mirsan* to the human nose.
In moving from *taqṭīʿ* to *tafrīq*, the action concepts have a close semantic connection that can support rhetorical comparison. Applying *mirsan* to a human nose may instead invite the question of a restricted source sense being widened or otherwise related through a non-resemblance relation.
The two expressions may look superficially like substitutions, but the nature of the semantic link is different. The analysis must establish whether resemblance or some other relation motivated the transfer.