Handcuffs
Origin
1775, from hand + cuff("end of shirtsleeve").
Online Etymology Dictionary
Possibly influenced by Old English handcops, from hand + cops ("fetter, chains"), but due to lack of continuity (centuries between Old English and modern term), generally analyzed as a re-invention.
Noun
noun
Related terms
Verb
handcuffs
(third-person singular of handcuff)