Declension table of ?durhṛṇāyu

Masculine	Singular	Dual	Plural
Nominative	durhṛṇāyuḥ	durhṛṇāyū	durhṛṇāyavaḥ
Vocative	durhṛṇāyo	durhṛṇāyū	durhṛṇāyavaḥ
Accusative	durhṛṇāyum	durhṛṇāyū	durhṛṇāyūn
Instrumental	durhṛṇāyunā	durhṛṇāyubhyām	durhṛṇāyubhiḥ
Dative	durhṛṇāyave	durhṛṇāyubhyām	durhṛṇāyubhyaḥ
Ablative	durhṛṇāyoḥ	durhṛṇāyubhyām	durhṛṇāyubhyaḥ
Genitive	durhṛṇāyoḥ	durhṛṇāyvoḥ	durhṛṇāyūnām
Locative	durhṛṇāyau	durhṛṇāyvoḥ	durhṛṇāyuṣu

Compound durhṛṇāyu -

Adverb -durhṛṇāyu