Declension table of ?jasta

Masculine	Singular	Dual	Plural
Nominative	jastaḥ	jastau	jastāḥ
Vocative	jasta	jastau	jastāḥ
Accusative	jastam	jastau	jastān
Instrumental	jastena	jastābhyām	jastaiḥ jastebhiḥ
Dative	jastāya	jastābhyām	jastebhyaḥ
Ablative	jastāt	jastābhyām	jastebhyaḥ
Genitive	jastasya	jastayoḥ	jastānām
Locative	jaste	jastayoḥ	jasteṣu

Compound jasta -

Adverb -jastam -jastāt