Declension table of ?nabhyastha

Neuter	Singular	Dual	Plural
Nominative	nabhyastham	nabhyasthe	nabhyasthāni
Vocative	nabhyastha	nabhyasthe	nabhyasthāni
Accusative	nabhyastham	nabhyasthe	nabhyasthāni
Instrumental	nabhyasthena	nabhyasthābhyām	nabhyasthaiḥ
Dative	nabhyasthāya	nabhyasthābhyām	nabhyasthebhyaḥ
Ablative	nabhyasthāt	nabhyasthābhyām	nabhyasthebhyaḥ
Genitive	nabhyasthasya	nabhyasthayoḥ	nabhyasthānām
Locative	nabhyasthe	nabhyasthayoḥ	nabhyastheṣu

Compound nabhyastha -

Adverb -nabhyastham -nabhyasthāt