Pāṇini sūtras

The words expressing a point of the compass, or a number (saṅkhyâ) 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 it is a Tat-purusha.

1. diś+saṅkhyeदिश्+सङ्ख्ये

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   dद्	diśदिश्	diśदिश्	direction	diśदिश्
   sस्	saṃkhyāसंख्या	saṅkhyeसङ्ख्ये	number	saṃkhyसंख्य् + plus eए

2. sañjñāyāmसञ्ज्ञायाम्

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	saṃjñसंज्ञ्	sañjñāyāmसञ्ज्ञायाम्	name	saṃjñसंज्ञ् + plus āyआय्

Anuvṛtti

1. samāna+adhikaraṇenaसमान+अधिकरणेन 2·1·49

   Part	Lexeme	Sandhi form	Meaning	Stem + termination
   sस्	samānaसमान	samānaसमान	identical	samānसमान् + plus aअ
   aअ	adhikaraṇaअधिकरण	adhikaraṇenaअधिकरणेन	reference	adhikaraṇअधिकरण् + plus enaएन