Declension table of ?tryāśir

Neuter	Singular	Dual	Plural
Nominative	tryāśīḥ	tryāśirī	tryāśiṃri
Vocative	tryāśīḥ	tryāśirī	tryāśiṃri
Accusative	tryāśīḥ	tryāśirī	tryāśiṃri
Instrumental	tryāśirā	tryāśīrbhyām	tryāśīrbhiḥ
Dative	tryāśire	tryāśīrbhyām	tryāśīrbhyaḥ
Ablative	tryāśiraḥ	tryāśīrbhyām	tryāśīrbhyaḥ
Genitive	tryāśiraḥ	tryāśiroḥ	tryāśirām
Locative	tryāśiri	tryāśiroḥ	tryāśīrṣu

Compound tryāśīr -

Adverb -tryāśīr