Declension table of ?dyāvāpṛthivīya

Masculine	Singular	Dual	Plural
Nominative	dyāvāpṛthivīyaḥ	dyāvāpṛthivīyau	dyāvāpṛthivīyāḥ
Vocative	dyāvāpṛthivīya	dyāvāpṛthivīyau	dyāvāpṛthivīyāḥ
Accusative	dyāvāpṛthivīyam	dyāvāpṛthivīyau	dyāvāpṛthivīyān
Instrumental	dyāvāpṛthivīyena	dyāvāpṛthivīyābhyām	dyāvāpṛthivīyaiḥ dyāvāpṛthivīyebhiḥ
Dative	dyāvāpṛthivīyāya	dyāvāpṛthivīyābhyām	dyāvāpṛthivīyebhyaḥ
Ablative	dyāvāpṛthivīyāt	dyāvāpṛthivīyābhyām	dyāvāpṛthivīyebhyaḥ
Genitive	dyāvāpṛthivīyasya	dyāvāpṛthivīyayoḥ	dyāvāpṛthivīyānām
Locative	dyāvāpṛthivīye	dyāvāpṛthivīyayoḥ	dyāvāpṛthivīyeṣu

Compound dyāvāpṛthivīya -

Adverb -dyāvāpṛthivīyam -dyāvāpṛthivīyāt