Declension table of ?kaustra

Neuter	Singular	Dual	Plural
Nominative	kaustram	kaustre	kaustrāṇi
Vocative	kaustra	kaustre	kaustrāṇi
Accusative	kaustram	kaustre	kaustrāṇi
Instrumental	kaustreṇa	kaustrābhyām	kaustraiḥ
Dative	kaustrāya	kaustrābhyām	kaustrebhyaḥ
Ablative	kaustrāt	kaustrābhyām	kaustrebhyaḥ
Genitive	kaustrasya	kaustrayoḥ	kaustrāṇām
Locative	kaustre	kaustrayoḥ	kaustreṣu

Compound kaustra -

Adverb -kaustram -kaustrāt