Declension table of ?śiśikṣvas

Neuter	Singular	Dual	Plural
Nominative	śiśikṣvat	śiśikṣuṣī	śiśikṣvāṃsi
Vocative	śiśikṣvat	śiśikṣuṣī	śiśikṣvāṃsi
Accusative	śiśikṣvat	śiśikṣuṣī	śiśikṣvāṃsi
Instrumental	śiśikṣuṣā	śiśikṣvadbhyām	śiśikṣvadbhiḥ
Dative	śiśikṣuṣe	śiśikṣvadbhyām	śiśikṣvadbhyaḥ
Ablative	śiśikṣuṣaḥ	śiśikṣvadbhyām	śiśikṣvadbhyaḥ
Genitive	śiśikṣuṣaḥ	śiśikṣuṣoḥ	śiśikṣuṣām
Locative	śiśikṣuṣi	śiśikṣuṣoḥ	śiśikṣvatsu

Compound śiśikṣvat -

Adverb -śiśikṣvat