Word origin
[1535–45; ‹ L
coitiōn- (s. of
coitiō) a coming together, equiv. to
coi- var. s. of
coīre to come together (
co- co- +
īre to go) +
-tiōn- -tion]This word is first recorded in the period 1535–45. Other words that entered Englishat around the same time include: agglutination, diagonal, intercept, protocol, tracer