Declension table of ?trotra

Neuter	Singular	Dual	Plural
Nominative	trotram	trotre	trotrāṇi
Vocative	trotra	trotre	trotrāṇi
Accusative	trotram	trotre	trotrāṇi
Instrumental	trotreṇa	trotrābhyām	trotraiḥ
Dative	trotrāya	trotrābhyām	trotrebhyaḥ
Ablative	trotrāt	trotrābhyām	trotrebhyaḥ
Genitive	trotrasya	trotrayoḥ	trotrāṇām
Locative	trotre	trotrayoḥ	trotreṣu

Compound trotra -

Adverb -trotram -trotrāt