Declension table of ?ūrdhvapatha

Masculine	Singular	Dual	Plural
Nominative	ūrdhvapathaḥ	ūrdhvapathau	ūrdhvapathāḥ
Vocative	ūrdhvapatha	ūrdhvapathau	ūrdhvapathāḥ
Accusative	ūrdhvapatham	ūrdhvapathau	ūrdhvapathān
Instrumental	ūrdhvapathena	ūrdhvapathābhyām	ūrdhvapathaiḥ ūrdhvapathebhiḥ
Dative	ūrdhvapathāya	ūrdhvapathābhyām	ūrdhvapathebhyaḥ
Ablative	ūrdhvapathāt	ūrdhvapathābhyām	ūrdhvapathebhyaḥ
Genitive	ūrdhvapathasya	ūrdhvapathayoḥ	ūrdhvapathānām
Locative	ūrdhvapathe	ūrdhvapathayoḥ	ūrdhvapatheṣu

Compound ūrdhvapatha -

Adverb -ūrdhvapatham -ūrdhvapathāt