Declension table of ?avasatha

Neuter	Singular	Dual	Plural
Nominative	avasatham	avasathe	avasathāni
Vocative	avasatha	avasathe	avasathāni
Accusative	avasatham	avasathe	avasathāni
Instrumental	avasathena	avasathābhyām	avasathaiḥ
Dative	avasathāya	avasathābhyām	avasathebhyaḥ
Ablative	avasathāt	avasathābhyām	avasathebhyaḥ
Genitive	avasathasya	avasathayoḥ	avasathānām
Locative	avasathe	avasathayoḥ	avasatheṣu

Compound avasatha -

Adverb -avasatham -avasathāt