Declension table of ?trigambhīra

Neuter	Singular	Dual	Plural
Nominative	trigambhīram	trigambhīre	trigambhīrāṇi
Vocative	trigambhīra	trigambhīre	trigambhīrāṇi
Accusative	trigambhīram	trigambhīre	trigambhīrāṇi
Instrumental	trigambhīreṇa	trigambhīrābhyām	trigambhīraiḥ
Dative	trigambhīrāya	trigambhīrābhyām	trigambhīrebhyaḥ
Ablative	trigambhīrāt	trigambhīrābhyām	trigambhīrebhyaḥ
Genitive	trigambhīrasya	trigambhīrayoḥ	trigambhīrāṇām
Locative	trigambhīre	trigambhīrayoḥ	trigambhīreṣu

Compound trigambhīra -

Adverb -trigambhīram -trigambhīrāt