Declension table of ?īrtsu

Masculine	Singular	Dual	Plural
Nominative	īrtsuḥ	īrtsū	īrtsavaḥ
Vocative	īrtso	īrtsū	īrtsavaḥ
Accusative	īrtsum	īrtsū	īrtsūn
Instrumental	īrtsunā	īrtsubhyām	īrtsubhiḥ
Dative	īrtsave	īrtsubhyām	īrtsubhyaḥ
Ablative	īrtsoḥ	īrtsubhyām	īrtsubhyaḥ
Genitive	īrtsoḥ	īrtsvoḥ	īrtsūnām
Locative	īrtsau	īrtsvoḥ	īrtsuṣu

Compound īrtsu -

Adverb -īrtsu