Haḍīm al-kashḥ uses kashḥ for the flank or waist and haḍīm for something slender or drawn in. It presents a narrow waist. In rayyā al-mukhalKhal, mukhalKhal refers to the place of an anklet, associated with the lower leg near the ankle.
Two contrasting physical impressions—slenderness and fullness—appear in one hemistich. The poet uses that contrast to create a sense of bodily proportion rather than applying one adjective to the entire figure.
Both descriptions are linked to the woman’s state or attributes in the verse. The linguistic purpose is to understand the precise imagery, not to turn the poem’s beauty ideals into universal standards.