Declension table of ?gacchāmāna

Neuter	Singular	Dual	Plural
Nominative	gacchāmānam	gacchāmāne	gacchāmānāni
Vocative	gacchāmāna	gacchāmāne	gacchāmānāni
Accusative	gacchāmānam	gacchāmāne	gacchāmānāni
Instrumental	gacchāmānena	gacchāmānābhyām	gacchāmānaiḥ
Dative	gacchāmānāya	gacchāmānābhyām	gacchāmānebhyaḥ
Ablative	gacchāmānāt	gacchāmānābhyām	gacchāmānebhyaḥ
Genitive	gacchāmānasya	gacchāmānayoḥ	gacchāmānānām
Locative	gacchāmāne	gacchāmānayoḥ	gacchāmāneṣu

Compound gacchāmāna -

Adverb -gacchāmānam -gacchāmānāt