Declension table of ?vastayamāna

Neuter	Singular	Dual	Plural
Nominative	vastayamānam	vastayamāne	vastayamānāni
Vocative	vastayamāna	vastayamāne	vastayamānāni
Accusative	vastayamānam	vastayamāne	vastayamānāni
Instrumental	vastayamānena	vastayamānābhyām	vastayamānaiḥ
Dative	vastayamānāya	vastayamānābhyām	vastayamānebhyaḥ
Ablative	vastayamānāt	vastayamānābhyām	vastayamānebhyaḥ
Genitive	vastayamānasya	vastayamānayoḥ	vastayamānānām
Locative	vastayamāne	vastayamānayoḥ	vastayamāneṣu

Compound vastayamāna -

Adverb -vastayamānam -vastayamānāt