is the root word for the word crackerjack

crack?

10 answers

http://dictionary.reference.com/browse/crackerjack?s=t

Read carefully.
is it krak?
or is it jack?
and the subject is launguage arts
Oh is it er????
Did you read the section telling the origin of the word? Scroll down and read it.
this is what is says
1890-95, Americanism; earlier crackajack, rhyming compound based on crack (adj.); -a- as in blackamoor; jack 1in sense “chap, fellow”
is it a?
or is it crack
I honestly don't know how you're supposed to indicate the root word on this one.

Both "crack" and "jack" seem to be root words. The suffix for "crack" is obviously "er."

The word is an "Americanism" which is another word for regional jargon or slang!