Declension table of ?ṣāṣṭipatha

Neuter	Singular	Dual	Plural
Nominative	ṣāṣṭipatham	ṣāṣṭipathe	ṣāṣṭipathāni
Vocative	ṣāṣṭipatha	ṣāṣṭipathe	ṣāṣṭipathāni
Accusative	ṣāṣṭipatham	ṣāṣṭipathe	ṣāṣṭipathāni
Instrumental	ṣāṣṭipathena	ṣāṣṭipathābhyām	ṣāṣṭipathaiḥ
Dative	ṣāṣṭipathāya	ṣāṣṭipathābhyām	ṣāṣṭipathebhyaḥ
Ablative	ṣāṣṭipathāt	ṣāṣṭipathābhyām	ṣāṣṭipathebhyaḥ
Genitive	ṣāṣṭipathasya	ṣāṣṭipathayoḥ	ṣāṣṭipathānām
Locative	ṣāṣṭipathe	ṣāṣṭipathayoḥ	ṣāṣṭipatheṣu

Compound ṣāṣṭipatha -

Adverb -ṣāṣṭipatham -ṣāṣṭipathāt