The affix yat comes in the sense of 'resident therein' after the word samānatīrtha in the Locative -7th case construction.,
The anuvritti of साधुः now ceases. The word तीर्थ means here गुरु 'Preceptor'. Thus समाने तीर्थे वासी = सतीर्थ्यः 6.3.87-- 'a fellow-student', who both dwell under the same preceptor.,