What's the "een" in Halloween?
1670s, a nautical term, from Dutch kink "twist in a rope" (also found in French and Swedish), probably related to Old Norse kikna "to bend backwards, sink at the knee" (see kick). Figurative sense of "odd notion, mental twist" first recorded in American English, 1803, in writings of Thomas Jefferson. As a verb, 1690s, from the noun.
A tight curl, twist, or bend in a length of thin material.
A painful muscle spasm, as in the neck; a crick.
A mental peculiarity; a quirk.
Peculiarity or deviation in sexual behavior or taste.
: a kinko diner who tries to attract Chong's attentionnoun