Declension table of ?dairghavaratra

Neuter	Singular	Dual	Plural
Nominative	dairghavaratram	dairghavaratre	dairghavaratrāṇi
Vocative	dairghavaratra	dairghavaratre	dairghavaratrāṇi
Accusative	dairghavaratram	dairghavaratre	dairghavaratrāṇi
Instrumental	dairghavaratreṇa	dairghavaratrābhyām	dairghavaratraiḥ
Dative	dairghavaratrāya	dairghavaratrābhyām	dairghavaratrebhyaḥ
Ablative	dairghavaratrāt	dairghavaratrābhyām	dairghavaratrebhyaḥ
Genitive	dairghavaratrasya	dairghavaratrayoḥ	dairghavaratrāṇām
Locative	dairghavaratre	dairghavaratrayoḥ	dairghavaratreṣu

Compound dairghavaratra -

Adverb -dairghavaratram -dairghavaratrāt