Declension table of ?daśayantra

Neuter	Singular	Dual	Plural
Nominative	daśayantram	daśayantre	daśayantrāṇi
Vocative	daśayantra	daśayantre	daśayantrāṇi
Accusative	daśayantram	daśayantre	daśayantrāṇi
Instrumental	daśayantreṇa	daśayantrābhyām	daśayantraiḥ
Dative	daśayantrāya	daśayantrābhyām	daśayantrebhyaḥ
Ablative	daśayantrāt	daśayantrābhyām	daśayantrebhyaḥ
Genitive	daśayantrasya	daśayantrayoḥ	daśayantrāṇām
Locative	daśayantre	daśayantrayoḥ	daśayantreṣu

Compound daśayantra -

Adverb -daśayantram -daśayantrāt