Declension table of ?daurvacasya

Neuter	Singular	Dual	Plural
Nominative	daurvacasyam	daurvacasye	daurvacasyāni
Vocative	daurvacasya	daurvacasye	daurvacasyāni
Accusative	daurvacasyam	daurvacasye	daurvacasyāni
Instrumental	daurvacasyena	daurvacasyābhyām	daurvacasyaiḥ
Dative	daurvacasyāya	daurvacasyābhyām	daurvacasyebhyaḥ
Ablative	daurvacasyāt	daurvacasyābhyām	daurvacasyebhyaḥ
Genitive	daurvacasyasya	daurvacasyayoḥ	daurvacasyānām
Locative	daurvacasye	daurvacasyayoḥ	daurvacasyeṣu

Compound daurvacasya -

Adverb -daurvacasyam -daurvacasyāt