Declension table of ?prathamagrantha

Masculine	Singular	Dual	Plural
Nominative	prathamagranthaḥ	prathamagranthau	prathamagranthāḥ
Vocative	prathamagrantha	prathamagranthau	prathamagranthāḥ
Accusative	prathamagrantham	prathamagranthau	prathamagranthān
Instrumental	prathamagranthena	prathamagranthābhyām	prathamagranthaiḥ prathamagranthebhiḥ
Dative	prathamagranthāya	prathamagranthābhyām	prathamagranthebhyaḥ
Ablative	prathamagranthāt	prathamagranthābhyām	prathamagranthebhyaḥ
Genitive	prathamagranthasya	prathamagranthayoḥ	prathamagranthānām
Locative	prathamagranthe	prathamagranthayoḥ	prathamagrantheṣu

Compound prathamagrantha -

Adverb -prathamagrantham -prathamagranthāt