Declension table of ?śīrta

Masculine	Singular	Dual	Plural
Nominative	śīrtaḥ	śīrtau	śīrtāḥ
Vocative	śīrta	śīrtau	śīrtāḥ
Accusative	śīrtam	śīrtau	śīrtān
Instrumental	śīrtena	śīrtābhyām	śīrtaiḥ śīrtebhiḥ
Dative	śīrtāya	śīrtābhyām	śīrtebhyaḥ
Ablative	śīrtāt	śīrtābhyām	śīrtebhyaḥ
Genitive	śīrtasya	śīrtayoḥ	śīrtānām
Locative	śīrte	śīrtayoḥ	śīrteṣu

Compound śīrta -

Adverb -śīrtam -śīrtāt