Names turned into words

• Leotard and Silhouette, e.g
• People who lend their names to things
• Names derived from people
• Louis Braille and Les Paul
• Watt and Newton, for two
• Achilles' heel and Adam's apple, e.g
• Watt and Ampere, to the watt and ampere
• Nikola Tesla and Louis Chevrolet

Wiktionary Word definitions in Wiktionary
n. (plural of eponym English)