Declension table of ?pesyamāna

Neuter	Singular	Dual	Plural
Nominative	pesyamānam	pesyamāne	pesyamānāni
Vocative	pesyamāna	pesyamāne	pesyamānāni
Accusative	pesyamānam	pesyamāne	pesyamānāni
Instrumental	pesyamānena	pesyamānābhyām	pesyamānaiḥ
Dative	pesyamānāya	pesyamānābhyām	pesyamānebhyaḥ
Ablative	pesyamānāt	pesyamānābhyām	pesyamānebhyaḥ
Genitive	pesyamānasya	pesyamānayoḥ	pesyamānānām
Locative	pesyamāne	pesyamānayoḥ	pesyamāneṣu

Compound pesyamāna -

Adverb -pesyamānam -pesyamānāt