ṣ is substituted for the s of sthiraḥ after the words gavi and yudhi,
Thus गविष्ठिर, युधिष्ठिर ॥ The compounding takes place by (II. I. 44). and the 7th case affix is not elided by 6.3.9. though the word गो does not end in a consonant, yet it retains its Locative ending by virtue of this sutra.,