Declension table of ?upayamana

Neuter	Singular	Dual	Plural
Nominative	upayamanam	upayamane	upayamanāni
Vocative	upayamana	upayamane	upayamanāni
Accusative	upayamanam	upayamane	upayamanāni
Instrumental	upayamanena	upayamanābhyām	upayamanaiḥ
Dative	upayamanāya	upayamanābhyām	upayamanebhyaḥ
Ablative	upayamanāt	upayamanābhyām	upayamanebhyaḥ
Genitive	upayamanasya	upayamanayoḥ	upayamanānām
Locative	upayamane	upayamanayoḥ	upayamaneṣu

Compound upayamana -

Adverb -upayamanam -upayamanāt