The story
From Gunter + -'s + line, from the surname of the English clergyman, geometer, and mathematician Edmund Gunter (1581–1628), the inventor of the Gunter’s scale.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A logarithmic line on a Gunter's scale, which is used to perform the multiplication and division of numbers mechanically with only dividers. Full definition →
From Gunter + -'s + line, from the surname of the English clergyman, geometer, and mathematician Edmund Gunter (1581–1628), the inventor of the Gunter’s scale.
Etymology from Wiktionary, CC BY-SA 4.0.