Declension table of ?paridhvasta

Neuter	Singular	Dual	Plural
Nominative	paridhvastam	paridhvaste	paridhvastāni
Vocative	paridhvasta	paridhvaste	paridhvastāni
Accusative	paridhvastam	paridhvaste	paridhvastāni
Instrumental	paridhvastena	paridhvastābhyām	paridhvastaiḥ
Dative	paridhvastāya	paridhvastābhyām	paridhvastebhyaḥ
Ablative	paridhvastāt	paridhvastābhyām	paridhvastebhyaḥ
Genitive	paridhvastasya	paridhvastayoḥ	paridhvastānām
Locative	paridhvaste	paridhvastayoḥ	paridhvasteṣu

Compound paridhvasta -

Adverb -paridhvastam -paridhvastāt