チャック

Etymology 1


Derived from the chaku portion of the term, possibly in reference to an early use of zippers in Japan as closures for kinchaku. Originally a trademark,   sold in Japan under this trademark from around 1927.

First cited to 1946, but considering the history, likely in use a couple decades earlier.

See also

While unrelated to in reference to mechanical devices, both share an underlying sense of "fastening".

Noun

 * 1)  a zipper, a zip fastener

Etymology 2


Borrowing from.

First cited to 1948.

While unrelated to in reference to zippers, both share an underlying sense of "fastening".

Noun

 * 1)  a chuck: a kind of clamp on a drill, lathe, or other spinning mechanical device that holds an object in place, such as a bit or other tool, or the object to be worked on

Verb

 * 1)  to chuck: to fasten an object into place using a chuck