Declension table of ?śairṣya

Neuter	Singular	Dual	Plural
Nominative	śairṣyam	śairṣye	śairṣyāṇi
Vocative	śairṣya	śairṣye	śairṣyāṇi
Accusative	śairṣyam	śairṣye	śairṣyāṇi
Instrumental	śairṣyeṇa	śairṣyābhyām	śairṣyaiḥ
Dative	śairṣyāya	śairṣyābhyām	śairṣyebhyaḥ
Ablative	śairṣyāt	śairṣyābhyām	śairṣyebhyaḥ
Genitive	śairṣyasya	śairṣyayoḥ	śairṣyāṇām
Locative	śairṣye	śairṣyayoḥ	śairṣyeṣu

Compound śairṣya -

Adverb -śairṣyam -śairṣyāt