द्विगुणयdviguṇayaNom. P. ˚यति, to double, multiply by 2 Sch.
Nominal verb Parasmaipada that the rest of a word is to be suppliedयति, to double, multiply by 2 Scholiast or Commentator
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.