Declension table of ?pṛthvīśa

Masculine	Singular	Dual	Plural
Nominative	pṛthvīśaḥ	pṛthvīśau	pṛthvīśāḥ
Vocative	pṛthvīśa	pṛthvīśau	pṛthvīśāḥ
Accusative	pṛthvīśam	pṛthvīśau	pṛthvīśān
Instrumental	pṛthvīśena	pṛthvīśābhyām	pṛthvīśaiḥ pṛthvīśebhiḥ
Dative	pṛthvīśāya	pṛthvīśābhyām	pṛthvīśebhyaḥ
Ablative	pṛthvīśāt	pṛthvīśābhyām	pṛthvīśebhyaḥ
Genitive	pṛthvīśasya	pṛthvīśayoḥ	pṛthvīśānām
Locative	pṛthvīśe	pṛthvīśayoḥ	pṛthvīśeṣu

Compound pṛthvīśa -

Adverb -pṛthvīśam -pṛthvīśāt