The story
Phrasal verb from light (“to get down, drop, come”, verb) + out (“away from”, adverb).
Etymology from Wiktionary, CC BY-SA 4.0.
light out
Today it means: To go away or depart, especially in haste or without notice. Full definition →
Today it means: To go away or depart, especially in haste or without notice. Full definition →
Phrasal verb from light (“to get down, drop, come”, verb) + out (“away from”, adverb).
Etymology from Wiktionary, CC BY-SA 4.0.