1 BIRTA
t, [Ulf. bairhtian], to illuminate, brighten, Stj. 15; b. sýn, 655 xxx; b. blinda, id.
2 BIRTA
2. impers., þokunni birtir af, the fog lifted, Hrafn. 6: to brighten with gilding or colouring, a ship, þá var birt allt hlýrit, cp. hlýrbjartr and hlýrbirt skip, Fms. iv. 277.
3 BIRTA
3. metaph. to enlighten; birta hjörtu vár, Hom. 67, Rb. 390: to make illustrious, Skálda 204.
4 BIRTA
β. to reveal, manifest, Fms. iv. 132, viii. 101: with dat., birti hann ́st sinni, x. 418.
5 BIRTA
γ. reflex, to appear; birtist þá skaði þeirra, Fms. vii. 189, v. 344, Stj. 198, Ann. 1243; b. e-m, Fms. i. 142.