Declension table of ?prasyamāna

Masculine	Singular	Dual	Plural
Nominative	prasyamānaḥ	prasyamānau	prasyamānāḥ
Vocative	prasyamāna	prasyamānau	prasyamānāḥ
Accusative	prasyamānam	prasyamānau	prasyamānān
Instrumental	prasyamānena	prasyamānābhyām	prasyamānaiḥ prasyamānebhiḥ
Dative	prasyamānāya	prasyamānābhyām	prasyamānebhyaḥ
Ablative	prasyamānāt	prasyamānābhyām	prasyamānebhyaḥ
Genitive	prasyamānasya	prasyamānayoḥ	prasyamānānām
Locative	prasyamāne	prasyamānayoḥ	prasyamāneṣu

Compound prasyamāna -

Adverb -prasyamānam -prasyamānāt