Declension table of ?adhastala

Neuter	Singular	Dual	Plural
Nominative	adhastalam	adhastale	adhastalāni
Vocative	adhastala	adhastale	adhastalāni
Accusative	adhastalam	adhastale	adhastalāni
Instrumental	adhastalena	adhastalābhyām	adhastalaiḥ
Dative	adhastalāya	adhastalābhyām	adhastalebhyaḥ
Ablative	adhastalāt	adhastalābhyām	adhastalebhyaḥ
Genitive	adhastalasya	adhastalayoḥ	adhastalānām
Locative	adhastale	adhastalayoḥ	adhastaleṣu

Compound adhastala -

Adverb -adhastalam -adhastalāt