Declension table of ?arcitavya

Masculine	Singular	Dual	Plural
Nominative	arcitavyaḥ	arcitavyau	arcitavyāḥ
Vocative	arcitavya	arcitavyau	arcitavyāḥ
Accusative	arcitavyam	arcitavyau	arcitavyān
Instrumental	arcitavyena	arcitavyābhyām	arcitavyaiḥ arcitavyebhiḥ
Dative	arcitavyāya	arcitavyābhyām	arcitavyebhyaḥ
Ablative	arcitavyāt	arcitavyābhyām	arcitavyebhyaḥ
Genitive	arcitavyasya	arcitavyayoḥ	arcitavyānām
Locative	arcitavye	arcitavyayoḥ	arcitavyeṣu

Compound arcitavya -

Adverb -arcitavyam -arcitavyāt