सैव मणिमध्या यष्टिः ॥ कZ_०२.११.२२ ॥
saiva maṇimadhyā yaṣṭiḥ
That same ekāvalī, when fitted with a central gem, is termed “yaṣṭi”.
A central gem materially changes value and status; renaming creates a clear administrative category for pricing and taxation.
It reduces disputes over whether an item qualifies for higher valuation or different duty based on added precious components.