Declension table of ?arthatantra

Masculine	Singular	Dual	Plural
Nominative	arthatantraḥ	arthatantrau	arthatantrāḥ
Vocative	arthatantra	arthatantrau	arthatantrāḥ
Accusative	arthatantram	arthatantrau	arthatantrān
Instrumental	arthatantreṇa	arthatantrābhyām	arthatantraiḥ arthatantrebhiḥ
Dative	arthatantrāya	arthatantrābhyām	arthatantrebhyaḥ
Ablative	arthatantrāt	arthatantrābhyām	arthatantrebhyaḥ
Genitive	arthatantrasya	arthatantrayoḥ	arthatantrāṇām
Locative	arthatantre	arthatantrayoḥ	arthatantreṣu

Compound arthatantra -

Adverb -arthatantram -arthatantrāt