Declension table of ?dīrghatanu

Masculine	Singular	Dual	Plural
Nominative	dīrghatanuḥ	dīrghatanū	dīrghatanavaḥ
Vocative	dīrghatano	dīrghatanū	dīrghatanavaḥ
Accusative	dīrghatanum	dīrghatanū	dīrghatanūn
Instrumental	dīrghatanunā	dīrghatanubhyām	dīrghatanubhiḥ
Dative	dīrghatanave	dīrghatanubhyām	dīrghatanubhyaḥ
Ablative	dīrghatanoḥ	dīrghatanubhyām	dīrghatanubhyaḥ
Genitive	dīrghatanoḥ	dīrghatanvoḥ	dīrghatanūnām
Locative	dīrghatanau	dīrghatanvoḥ	dīrghatanuṣu

Compound dīrghatanu -

Adverb -dīrghatanu