Declension table of astṛ

Masculine	Singular	Dual	Plural
Nominative	astā	astārau	astāraḥ
Vocative	astaḥ	astārau	astāraḥ
Accusative	astāram	astārau	astṝn
Instrumental	astrā	astṛbhyām	astṛbhiḥ
Dative	astre	astṛbhyām	astṛbhyaḥ
Ablative	astuḥ	astṛbhyām	astṛbhyaḥ
Genitive	astuḥ	astroḥ	astṝṇām
Locative	astari	astroḥ	astṛṣu

Compound astṛ -

Adverb -astṛ