The at substitute of jha optionally gets the ruṭ augment after the verbal aṅga (stem) vid (vetti).,
As संविदते or संविद्रते; संविदताम् or संविद्रताम्; समविदत or समविद्रत ॥ The विद् is the Adadi root here, and does not apply to विन्ते, विन्दाते, विन्दते, which belongs to the Rudhadi class (विद विचारणे) ॥
There is no augment in यङ्लुक् here also, as व्यतिवेविदते ॥,
