Declension table of ?chāṣya

Masculine	Singular	Dual	Plural
Nominative	chāṣyaḥ	chāṣyau	chāṣyāḥ
Vocative	chāṣya	chāṣyau	chāṣyāḥ
Accusative	chāṣyam	chāṣyau	chāṣyān
Instrumental	chāṣyeṇa	chāṣyābhyām	chāṣyaiḥ chāṣyebhiḥ
Dative	chāṣyāya	chāṣyābhyām	chāṣyebhyaḥ
Ablative	chāṣyāt	chāṣyābhyām	chāṣyebhyaḥ
Genitive	chāṣyasya	chāṣyayoḥ	chāṣyāṇām
Locative	chāṣye	chāṣyayoḥ	chāṣyeṣu

Compound chāṣya -

Adverb -chāṣyam -chāṣyāt