Declension table of ?pūrvabhāṣin

Masculine	Singular	Dual	Plural
Nominative	pūrvabhāṣī	pūrvabhāṣiṇau	pūrvabhāṣiṇaḥ
Vocative	pūrvabhāṣin	pūrvabhāṣiṇau	pūrvabhāṣiṇaḥ
Accusative	pūrvabhāṣiṇam	pūrvabhāṣiṇau	pūrvabhāṣiṇaḥ
Instrumental	pūrvabhāṣiṇā	pūrvabhāṣibhyām	pūrvabhāṣibhiḥ
Dative	pūrvabhāṣiṇe	pūrvabhāṣibhyām	pūrvabhāṣibhyaḥ
Ablative	pūrvabhāṣiṇaḥ	pūrvabhāṣibhyām	pūrvabhāṣibhyaḥ
Genitive	pūrvabhāṣiṇaḥ	pūrvabhāṣiṇoḥ	pūrvabhāṣiṇām
Locative	pūrvabhāṣiṇi	pūrvabhāṣiṇoḥ	pūrvabhāṣiṣu

Compound pūrvabhāṣi -

Adverb -pūrvabhāṣi