Declension table of ?anavastha

Masculine	Singular	Dual	Plural
Nominative	anavasthaḥ	anavasthau	anavasthāḥ
Vocative	anavastha	anavasthau	anavasthāḥ
Accusative	anavastham	anavasthau	anavasthān
Instrumental	anavasthena	anavasthābhyām	anavasthaiḥ anavasthebhiḥ
Dative	anavasthāya	anavasthābhyām	anavasthebhyaḥ
Ablative	anavasthāt	anavasthābhyām	anavasthebhyaḥ
Genitive	anavasthasya	anavasthayoḥ	anavasthānām
Locative	anavasthe	anavasthayoḥ	anavastheṣu

Compound anavastha -

Adverb -anavastham -anavasthāt