Declension table of ?paścimatantra

Neuter	Singular	Dual	Plural
Nominative	paścimatantram	paścimatantre	paścimatantrāṇi
Vocative	paścimatantra	paścimatantre	paścimatantrāṇi
Accusative	paścimatantram	paścimatantre	paścimatantrāṇi
Instrumental	paścimatantreṇa	paścimatantrābhyām	paścimatantraiḥ
Dative	paścimatantrāya	paścimatantrābhyām	paścimatantrebhyaḥ
Ablative	paścimatantrāt	paścimatantrābhyām	paścimatantrebhyaḥ
Genitive	paścimatantrasya	paścimatantrayoḥ	paścimatantrāṇām
Locative	paścimatantre	paścimatantrayoḥ	paścimatantreṣu

Compound paścimatantra -

Adverb -paścimatantram -paścimatantrāt