Declension table of ?astṛta

Neuter	Singular	Dual	Plural
Nominative	astṛtam	astṛte	astṛtāni
Vocative	astṛta	astṛte	astṛtāni
Accusative	astṛtam	astṛte	astṛtāni
Instrumental	astṛtena	astṛtābhyām	astṛtaiḥ
Dative	astṛtāya	astṛtābhyām	astṛtebhyaḥ
Ablative	astṛtāt	astṛtābhyām	astṛtebhyaḥ
Genitive	astṛtasya	astṛtayoḥ	astṛtānām
Locative	astṛte	astṛtayoḥ	astṛteṣu

Compound astṛta -

Adverb -astṛtam -astṛtāt