Declension table of ?jijñāsya

Neuter	Singular	Dual	Plural
Nominative	jijñāsyam	jijñāsye	jijñāsyāni
Vocative	jijñāsya	jijñāsye	jijñāsyāni
Accusative	jijñāsyam	jijñāsye	jijñāsyāni
Instrumental	jijñāsyena	jijñāsyābhyām	jijñāsyaiḥ
Dative	jijñāsyāya	jijñāsyābhyām	jijñāsyebhyaḥ
Ablative	jijñāsyāt	jijñāsyābhyām	jijñāsyebhyaḥ
Genitive	jijñāsyasya	jijñāsyayoḥ	jijñāsyānām
Locative	jijñāsye	jijñāsyayoḥ	jijñāsyeṣu

Compound jijñāsya -

Adverb -jijñāsyam -jijñāsyāt