hălōs — Lewis & Short
hălōs, ō, f., = a(/lws (a round threshing-floor),
I a circle round the sun or moon, a halo, pure Lat. corona:
circa solem visum coloris varii circulum, qualis esse in arcu solet. Hunc Graeci halo vocant: nos dicere coronam aptissime possumus, etc.,Sen. Q. N. 1, 2, 1.—Called also hălўsis (prob. corrupted from a(/lws), App. de Mundo, p. 64, 16.