Declension table of ?atisthira

Neuter	Singular	Dual	Plural
Nominative	atisthiram	atisthire	atisthirāṇi
Vocative	atisthira	atisthire	atisthirāṇi
Accusative	atisthiram	atisthire	atisthirāṇi
Instrumental	atisthireṇa	atisthirābhyām	atisthiraiḥ
Dative	atisthirāya	atisthirābhyām	atisthirebhyaḥ
Ablative	atisthirāt	atisthirābhyām	atisthirebhyaḥ
Genitive	atisthirasya	atisthirayoḥ	atisthirāṇām
Locative	atisthire	atisthirayoḥ	atisthireṣu

Compound atisthira -

Adverb -atisthiram -atisthirāt