Declension table of ?hatru

Masculine	Singular	Dual	Plural
Nominative	hatruḥ	hatrū	hatravaḥ
Vocative	hatro	hatrū	hatravaḥ
Accusative	hatrum	hatrū	hatrūn
Instrumental	hatruṇā	hatrubhyām	hatrubhiḥ
Dative	hatrave	hatrubhyām	hatrubhyaḥ
Ablative	hatroḥ	hatrubhyām	hatrubhyaḥ
Genitive	hatroḥ	hatrvoḥ	hatrūṇām
Locative	hatrau	hatrvoḥ	hatruṣu

Compound hatru -

Adverb -hatru