The story
- Ancient Greek · derived fromπνῑγαλίων“nightmare”
- New Latin · borrowed frompnīgalion
- English todaypnigalion
From New Latin pnīgalion, from Ancient Greek πνῑγαλίων (pnīgalíōn, “nightmare”), from πνῑ́γω (pnī́gō, “to throttle, strangle”).
Etymology from Wiktionary, CC BY-SA 4.0.