Declension table of ?prathamamaṅgala

Neuter	Singular	Dual	Plural
Nominative	prathamamaṅgalam	prathamamaṅgale	prathamamaṅgalāni
Vocative	prathamamaṅgala	prathamamaṅgale	prathamamaṅgalāni
Accusative	prathamamaṅgalam	prathamamaṅgale	prathamamaṅgalāni
Instrumental	prathamamaṅgalena	prathamamaṅgalābhyām	prathamamaṅgalaiḥ
Dative	prathamamaṅgalāya	prathamamaṅgalābhyām	prathamamaṅgalebhyaḥ
Ablative	prathamamaṅgalāt	prathamamaṅgalābhyām	prathamamaṅgalebhyaḥ
Genitive	prathamamaṅgalasya	prathamamaṅgalayoḥ	prathamamaṅgalānām
Locative	prathamamaṅgale	prathamamaṅgalayoḥ	prathamamaṅgaleṣu

Compound prathamamaṅgala -

Adverb -prathamamaṅgalam -prathamamaṅgalāt