Declension table of ?saṃstavasthira

Masculine	Singular	Dual	Plural
Nominative	saṃstavasthiraḥ	saṃstavasthirau	saṃstavasthirāḥ
Vocative	saṃstavasthira	saṃstavasthirau	saṃstavasthirāḥ
Accusative	saṃstavasthiram	saṃstavasthirau	saṃstavasthirān
Instrumental	saṃstavasthireṇa	saṃstavasthirābhyām	saṃstavasthiraiḥ saṃstavasthirebhiḥ
Dative	saṃstavasthirāya	saṃstavasthirābhyām	saṃstavasthirebhyaḥ
Ablative	saṃstavasthirāt	saṃstavasthirābhyām	saṃstavasthirebhyaḥ
Genitive	saṃstavasthirasya	saṃstavasthirayoḥ	saṃstavasthirāṇām
Locative	saṃstavasthire	saṃstavasthirayoḥ	saṃstavasthireṣu

Compound saṃstavasthira -

Adverb -saṃstavasthiram -saṃstavasthirāt