सम्प्रथाsamprathā(prob.) w.r. for सुप्रथाह्, Rajat.
(probably) wrong reading for सुप्रथाह्, Rajat.
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.