Guyot
/ˈɡiː.oʊ/noun
A flat-topped underwater mountain, especially one formed by erosion and later submerged.
Did you know?Guyot is named after the Swiss-American geologist Arnold Henry Guyot, and the term was popularized in the 20th century after scientists connected these flat-topped seamounts to ancient shorelines.
Etymological Timeline
19th Century
French/Swiss surname
Guyot
“A family name, ultimately from a personal name”
1870s
English
Guyot
“Used in geology as a proper name for a flat-topped seamount”
20th Century
English
guyot
“A standard geological term for an isolated submarine mountain with a flat summit”
Modern English
English
guyot
“A flat-topped underwater volcanic mountain”