Declension table of ?pṛthividā

Masculine	Singular	Dual	Plural
Nominative	pṛthividāḥ	pṛthividau	pṛthividāḥ
Vocative	pṛthividāḥ	pṛthividau	pṛthividāḥ
Accusative	pṛthividām	pṛthividau	pṛthividāḥ pṛthividaḥ
Instrumental	pṛthividā	pṛthividābhyām	pṛthividābhiḥ
Dative	pṛthivide	pṛthividābhyām	pṛthividābhyaḥ
Ablative	pṛthividaḥ	pṛthividābhyām	pṛthividābhyaḥ
Genitive	pṛthividaḥ	pṛthividoḥ	pṛthividām pṛthividanām
Locative	pṛthividi	pṛthividoḥ	pṛthividāsu

Compound pṛthividā -

Adverb -pṛthividam