Declension table of ?prajñu

Masculine	Singular	Dual	Plural
Nominative	prajñuḥ	prajñū	prajñavaḥ
Vocative	prajño	prajñū	prajñavaḥ
Accusative	prajñum	prajñū	prajñūn
Instrumental	prajñunā	prajñubhyām	prajñubhiḥ
Dative	prajñave	prajñubhyām	prajñubhyaḥ
Ablative	prajñoḥ	prajñubhyām	prajñubhyaḥ
Genitive	prajñoḥ	prajñvoḥ	prajñūnām
Locative	prajñau	prajñvoḥ	prajñuṣu

Compound prajñu -

Adverb -prajñu