6.3.93
समः समि
Operational rule vidhi
If the 'सम्' उपसर्ग is followed by an लुप्तप्रत्ययान्त-अञ्च् word, then 'सम्' is converted to 'समि'.
Word by word (padaccheda)
Target समः ṣaṣṭhī · ekavacanaWord समि
- Target Ṣaṣṭhī (6th case): names what gets replaced, "in place of X" (1.1.49 षष्ठी स्थानेयोगा).
- Word Case not marked in the source data.
Full reading
समः समि
Pāṇini leaves out words that carry over from earlier sūtras. Expand to see the rule as a reader actually understands it.
Commentary
समि is substituted for सम् before this अञ्च् when no affix (or व affix) follows.
Thus सम्यक्, सम्यञ्चौ, सम्यञ्चः ॥
Śrīśa Chandra Vasu, The Ashtadhyayi of Panini (1897), via ashtadhyayi.com.