Declension table of ?daśayantra

Masculine	Singular	Dual	Plural
Nominative	daśayantraḥ	daśayantrau	daśayantrāḥ
Vocative	daśayantra	daśayantrau	daśayantrāḥ
Accusative	daśayantram	daśayantrau	daśayantrān
Instrumental	daśayantreṇa	daśayantrābhyām	daśayantraiḥ daśayantrebhiḥ
Dative	daśayantrāya	daśayantrābhyām	daśayantrebhyaḥ
Ablative	daśayantrāt	daśayantrābhyām	daśayantrebhyaḥ
Genitive	daśayantrasya	daśayantrayoḥ	daśayantrāṇām
Locative	daśayantre	daśayantrayoḥ	daśayantreṣu

Compound daśayantra -

Adverb -daśayantram -daśayantrāt