व्याहृतित्रयvyāhṛtitrayan. the first three of the above mystical words MW.
neuter gender the first three of the a reference to some preceeding word (not necessarily in the same page) mystical words MW.
कोशःDictionaries
Every entry for a word in Apte, Monier-Williams, Macdonell and the Dhātupāṭha, with their abbreviations spelled out, and an analysis of its forms.