Declension table of ?astraveda

Masculine	Singular	Dual	Plural
Nominative	astravedaḥ	astravedau	astravedāḥ
Vocative	astraveda	astravedau	astravedāḥ
Accusative	astravedam	astravedau	astravedān
Instrumental	astravedena	astravedābhyām	astravedaiḥ astravedebhiḥ
Dative	astravedāya	astravedābhyām	astravedebhyaḥ
Ablative	astravedāt	astravedābhyām	astravedebhyaḥ
Genitive	astravedasya	astravedayoḥ	astravedānām
Locative	astravede	astravedayoḥ	astravedeṣu

Compound astraveda -

Adverb -astravedam -astravedāt