Declension table of ?sevayamāna

Masculine	Singular	Dual	Plural
Nominative	sevayamānaḥ	sevayamānau	sevayamānāḥ
Vocative	sevayamāna	sevayamānau	sevayamānāḥ
Accusative	sevayamānam	sevayamānau	sevayamānān
Instrumental	sevayamānena	sevayamānābhyām	sevayamānaiḥ sevayamānebhiḥ
Dative	sevayamānāya	sevayamānābhyām	sevayamānebhyaḥ
Ablative	sevayamānāt	sevayamānābhyām	sevayamānebhyaḥ
Genitive	sevayamānasya	sevayamānayoḥ	sevayamānānām
Locative	sevayamāne	sevayamānayoḥ	sevayamāneṣu

Compound sevayamāna -

Adverb -sevayamānam -sevayamānāt