Pāṇini sūtras

All the syllables of a Vocative are unaccented when a word precedes it, and it does not stand at the beginning of a hemistich.

German Alle Silben eines Vocativs sind unbetont, wenn ein Wort vorangeht. (19)

1. āmantritasyaआमन्त्रितस्य

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   āआ	āmantritaआमन्त्रित	āmantritasyaआमन्त्रितस्य	vocative	āmantritआमन्त्रित् + plus asyaअस्य

2. caच

   Part	Lexeme	Sandhi form	Meaning	Stem
   cच्	caच	caच	besides	caच

Anuvṛtti

1. padātपदात् 8·1·17

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	padaपद	padātपदात्	word	padपद् + plus ātआत्

2. a+pāda+ādauअ+पाद+आदौ 8·1·18

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aअ	aअ	not	aअ
   pप्	pādaपाद	pādaपाद	pādaपाद	pādपाद् + plus aअ
   āआ	ādiआदि	ādauआदौ	beginning	ādआद् + plus auऔ