Declension table of ?hastatra

Masculine	Singular	Dual	Plural
Nominative	hastatraḥ	hastatrau	hastatrāḥ
Vocative	hastatra	hastatrau	hastatrāḥ
Accusative	hastatram	hastatrau	hastatrān
Instrumental	hastatreṇa	hastatrābhyām	hastatraiḥ hastatrebhiḥ
Dative	hastatrāya	hastatrābhyām	hastatrebhyaḥ
Ablative	hastatrāt	hastatrābhyām	hastatrebhyaḥ
Genitive	hastatrasya	hastatrayoḥ	hastatrāṇām
Locative	hastatre	hastatrayoḥ	hastatreṣu

Compound hastatra -

Adverb -hastatram -hastatrāt