Declension table of ?pasayamāna

Neuter	Singular	Dual	Plural
Nominative	pasayamānam	pasayamāne	pasayamānāni
Vocative	pasayamāna	pasayamāne	pasayamānāni
Accusative	pasayamānam	pasayamāne	pasayamānāni
Instrumental	pasayamānena	pasayamānābhyām	pasayamānaiḥ
Dative	pasayamānāya	pasayamānābhyām	pasayamānebhyaḥ
Ablative	pasayamānāt	pasayamānābhyām	pasayamānebhyaḥ
Genitive	pasayamānasya	pasayamānayoḥ	pasayamānānām
Locative	pasayamāne	pasayamānayoḥ	pasayamāneṣu

Compound pasayamāna -

Adverb -pasayamānam -pasayamānāt