Declension table of ?petāna

Masculine	Singular	Dual	Plural
Nominative	petānaḥ	petānau	petānāḥ
Vocative	petāna	petānau	petānāḥ
Accusative	petānam	petānau	petānān
Instrumental	petānena	petānābhyām	petānaiḥ petānebhiḥ
Dative	petānāya	petānābhyām	petānebhyaḥ
Ablative	petānāt	petānābhyām	petānebhyaḥ
Genitive	petānasya	petānayoḥ	petānānām
Locative	petāne	petānayoḥ	petāneṣu

Compound petāna -

Adverb -petānam -petānāt