The story
- German · calque ofphrygische Mütze
- English todayPhrygian cap
From Phrygian (“of or relating to Phrygia, its people or their culture”) + cap. Sense 2 (“congenital abnormality of the gall bladder”) is a calque of German phrygische Mütze, coined by J. Bartel in 1916 and popularized by Edward A. Boyden.
Etymology from Wiktionary, CC BY-SA 4.0.