Declension table of ?upanahana

Neuter	Singular	Dual	Plural
Nominative	upanahanam	upanahane	upanahanāni
Vocative	upanahana	upanahane	upanahanāni
Accusative	upanahanam	upanahane	upanahanāni
Instrumental	upanahanena	upanahanābhyām	upanahanaiḥ
Dative	upanahanāya	upanahanābhyām	upanahanebhyaḥ
Ablative	upanahanāt	upanahanābhyām	upanahanebhyaḥ
Genitive	upanahanasya	upanahanayoḥ	upanahanānām
Locative	upanahane	upanahanayoḥ	upanahaneṣu

Compound upanahana -

Adverb -upanahanam -upanahanāt