सिति च

The sutra 18 of this chapter teaches that before certain affixes, the preceding word is called bha. This sutra declares an exception to that by anticipation. Thus Rule 4.2.115 declares: -- \Affixes ठक् and छस् come after the vriddha 1.1.74 word भवत्.\ Here the affix छस् has an indicatory स्, therefore the word भवत्, standing before it, will be called pada. Thus भवत् + छस् = भवदीयः 7.1.2, belonging to you. The result of being pada is that ते is changed into द (VIII 2. 39). Similarly स् is इत् in युस् (After the word urna there is yus 5.2.123. Thus ऊर्णायुः; so also घस् 5.1.106, has स् as indicatory. Thus ॠत्वियः There is no guna because of its being pada,