Declension table of ?paryantastha

Neuter	Singular	Dual	Plural
Nominative	paryantastham	paryantasthe	paryantasthāni
Vocative	paryantastha	paryantasthe	paryantasthāni
Accusative	paryantastham	paryantasthe	paryantasthāni
Instrumental	paryantasthena	paryantasthābhyām	paryantasthaiḥ
Dative	paryantasthāya	paryantasthābhyām	paryantasthebhyaḥ
Ablative	paryantasthāt	paryantasthābhyām	paryantasthebhyaḥ
Genitive	paryantasthasya	paryantasthayoḥ	paryantasthānām
Locative	paryantasthe	paryantasthayoḥ	paryantastheṣu

Compound paryantastha -

Adverb -paryantastham -paryantasthāt