Declension table of poṣadhopavāsa

Masculine	Singular	Dual	Plural
Nominative	poṣadhopavāsaḥ	poṣadhopavāsau	poṣadhopavāsāḥ
Vocative	poṣadhopavāsa	poṣadhopavāsau	poṣadhopavāsāḥ
Accusative	poṣadhopavāsam	poṣadhopavāsau	poṣadhopavāsān
Instrumental	poṣadhopavāsena	poṣadhopavāsābhyām	poṣadhopavāsaiḥ poṣadhopavāsebhiḥ
Dative	poṣadhopavāsāya	poṣadhopavāsābhyām	poṣadhopavāsebhyaḥ
Ablative	poṣadhopavāsāt	poṣadhopavāsābhyām	poṣadhopavāsebhyaḥ
Genitive	poṣadhopavāsasya	poṣadhopavāsayoḥ	poṣadhopavāsānām
Locative	poṣadhopavāse	poṣadhopavāsayoḥ	poṣadhopavāseṣu

Compound poṣadhopavāsa -

Adverb -poṣadhopavāsam -poṣadhopavāsāt