Declension table of ?bhūtastha

Neuter	Singular	Dual	Plural
Nominative	bhūtastham	bhūtasthe	bhūtasthāni
Vocative	bhūtastha	bhūtasthe	bhūtasthāni
Accusative	bhūtastham	bhūtasthe	bhūtasthāni
Instrumental	bhūtasthena	bhūtasthābhyām	bhūtasthaiḥ
Dative	bhūtasthāya	bhūtasthābhyām	bhūtasthebhyaḥ
Ablative	bhūtasthāt	bhūtasthābhyām	bhūtasthebhyaḥ
Genitive	bhūtasthasya	bhūtasthayoḥ	bhūtasthānām
Locative	bhūtasthe	bhūtasthayoḥ	bhūtastheṣu

Compound bhūtastha -

Adverb -bhūtastham -bhūtasthāt