jotati

to shine, be splendid Ja.i.53; Ja.vi.100, Ja.vi.509; Pv-a.71 (jotantī = obhāsentī).

Sk. dyotate to shine, *dei̯ā; cp. Gr. δέαται shine, δ ̈ηλος clear; also Sk. in dīpyate; Lat. dies. Dhtp.120 gives jut in meaning “ditti,” i.e. light