Declension table of ?tera

Masculine	Singular	Dual	Plural
Nominative	teraḥ	terau	terāḥ
Vocative	tera	terau	terāḥ
Accusative	teram	terau	terān
Instrumental	tereṇa	terābhyām	teraiḥ terebhiḥ
Dative	terāya	terābhyām	terebhyaḥ
Ablative	terāt	terābhyām	terebhyaḥ
Genitive	terasya	terayoḥ	terāṇām
Locative	tere	terayoḥ	tereṣu

Compound tera -

Adverb -teram -terāt