Declension table of ?tatāyāna

Masculine	Singular	Dual	Plural
Nominative	tatāyānaḥ	tatāyānau	tatāyānāḥ
Vocative	tatāyāna	tatāyānau	tatāyānāḥ
Accusative	tatāyānam	tatāyānau	tatāyānān
Instrumental	tatāyānena	tatāyānābhyām	tatāyānaiḥ tatāyānebhiḥ
Dative	tatāyānāya	tatāyānābhyām	tatāyānebhyaḥ
Ablative	tatāyānāt	tatāyānābhyām	tatāyānebhyaḥ
Genitive	tatāyānasya	tatāyānayoḥ	tatāyānānām
Locative	tatāyāne	tatāyānayoḥ	tatāyāneṣu

Compound tatāyāna -

Adverb -tatāyānam -tatāyānāt