The story
From lady + bug, the “lady” here referring to Virgin Mary, the mother of Jesus. Compare German Marienkäfer, Danish mariehøne, Latvian mārīte, Macedonian бубамара (bubamara) and Spanish mariquita.
Etymology from Wiktionary, CC BY-SA 4.0.
ladybug
Today it means: Synonym of ladybird. Full definition →