Declension table of ?samayātantra

Neuter	Singular	Dual	Plural
Nominative	samayātantram	samayātantre	samayātantrāṇi
Vocative	samayātantra	samayātantre	samayātantrāṇi
Accusative	samayātantram	samayātantre	samayātantrāṇi
Instrumental	samayātantreṇa	samayātantrābhyām	samayātantraiḥ
Dative	samayātantrāya	samayātantrābhyām	samayātantrebhyaḥ
Ablative	samayātantrāt	samayātantrābhyām	samayātantrebhyaḥ
Genitive	samayātantrasya	samayātantrayoḥ	samayātantrāṇām
Locative	samayātantre	samayātantrayoḥ	samayātantreṣu

Compound samayātantra -

Adverb -samayātantram -samayātantrāt