The story
- French · derived fromypresien
- English todayYpresian
From the French ypresien, from Ypres + -ien; equivalent to Ypres + -ian; compare yperite.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Of or pertaining to a geological epoch, the oldest age or lowest stratigraphic stage of the Eocene. Full definition →