The words expressing a point of the compass or a number (saṃkhyā ) enter into composition with the word correlated to them by being in the same case, when the sense of the compound is that of an appellative and the resulting compound is tat-puruṣa ,
The phrase 'being in apposition,' is understood in every one of these sútras up to the end of the chapter.
- As पूर्वेषुकामशमी 'the town of Ishukamasami -in-the-east.' अपरेषुकामशमी the town of Ishukamasami -in-the-west.' पञ्चाम्राः 'the five mangoes' सप्तर्षयः 'the seven-sages' (the constellation of the Great Bear),
Why do we say 'when the sense is that of an appellative ?' Observe उत्तरा वृक्षाः 'northern trees.' पञ्च ब्राह्मणाः 'five Brahmanas.' See (IV. 2. 107.),