Declension table of ?peṭhāna

Masculine	Singular	Dual	Plural
Nominative	peṭhānaḥ	peṭhānau	peṭhānāḥ
Vocative	peṭhāna	peṭhānau	peṭhānāḥ
Accusative	peṭhānam	peṭhānau	peṭhānān
Instrumental	peṭhānena	peṭhānābhyām	peṭhānaiḥ peṭhānebhiḥ
Dative	peṭhānāya	peṭhānābhyām	peṭhānebhyaḥ
Ablative	peṭhānāt	peṭhānābhyām	peṭhānebhyaḥ
Genitive	peṭhānasya	peṭhānayoḥ	peṭhānānām
Locative	peṭhāne	peṭhānayoḥ	peṭhāneṣu

Compound peṭhāna -

Adverb -peṭhānam -peṭhānāt