Pāṇini sūtras

The first syllable of the word preceding maireya, gets the acute, when it denotes the ingredient of the same.

1. aṅgāniअङ्गानि

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   aअ	aṅgaअङ्ग	aṅgāniअङ्गानि	ingredient	aṅgअङ्ग् + plus āniआनि

2. maireyeमैरेये

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   mम्	maireyaमैरेय	maireyeमैरेये	maireya [word]	maireyमैरेय् + plus eए

Anuvṛtti

1. pūrva+padamपूर्व+पदम् 6·2·1

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   pप्	pūrvaपूर्व	pūrvaपूर्व	antecedent	pūrvaपूर्व
   pप्	padaपद	padamपदम्	word	padपद् + plus amअम्

2. udāttaḥउदात्तः 6·2·64

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   uउ	udāttaउदात्त	udāttaḥउदात्तः	udāttaउदात्त	udāttउदात्त् + plus aḥअः