Pāṇini sūtras

In proṣṭhapada and its synonyms, the first vowel of the second member gets the Vṛiddhi, before a Taddhita affix meaning ‘born in that time’, and having an indicatory ñ, ṇ or k

1. jeजे

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   jज्	jaज	jeजे	born	jज् + plus eए

2. proṣṭhapadānāmप्रोष्ठपदानाम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	proṣṭhapप्रोष्ठप्	proṣṭhapadānāmप्रोष्ठपदानाम्	proṣṭhapada [word]प्रोष्ठपद [wओर्द्]	proṣṭhapadप्रोष्ठपद् + plus ānआन्

Anuvṛtti

1. uttara+padasyaउत्तर+पदस्य 7·3·10

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	uttaraउत्तर	uttaraउत्तर	following	uttarउत्तर् + plus aअ
   pप्	padaपद	padasyaपदस्य	word	padपद् + plus asyaअस्य