Declension table of ?jasta

Neuter	Singular	Dual	Plural
Nominative	jastam	jaste	jastāni
Vocative	jasta	jaste	jastāni
Accusative	jastam	jaste	jastāni
Instrumental	jastena	jastābhyām	jastaiḥ
Dative	jastāya	jastābhyām	jastebhyaḥ
Ablative	jastāt	jastābhyām	jastebhyaḥ
Genitive	jastasya	jastayoḥ	jastānām
Locative	jaste	jastayoḥ	jasteṣu

Compound jasta -

Adverb -jastam -jastāt