The story
- FrenchNicot
- Frenchnicotine
- English todaynicotine
Borrowed from French nicotine, equivalent to Nicot + -ine, named after Jean Nicot (1530–1604), the French ambassador to Portugal, who sent tobacco seeds back to France in 1561. The etymology of the surname itself is unclear.
Etymology from Wiktionary, CC BY-SA 4.0.