Best thing about today's word is the pronunciation...it has a certain allure and makes a funny sound when repeated.

clue

/kluː/

Let's hear it..

What does it mean ?

Dictionaries tell us that..

-it means a piece of evidence or information used in the detection of crime , synonym with "hint" , "pointer" , "suggestion" , "indicator" etc.

-it means a fact or idea that serves to reveal something or solve a problem

-it means a word or words giving an indication as to what to be inserted in a particular space in a crossword , synonym with "question" , "problem" , "puzzle" , "riddle" etc.

-it can also mean , when used as a verb , to inform someone about a particular matter

Origin and History

This word has a really interesting origin. It comes as a variation of clew meaning a ball of thread or yarn from Middle English "clewe" , from Old English "clēowen", meaning sphere , ball , ball of thread ; mass , group , in this sense with reference to the one ball of yarn , Theseus used as a guide out of the Labyrinth.

In 1620 , it was used with the figurative sense of "that witch points the way" , waiting until 1934 , to be used with "to inform someone of important fact" sense. Not many people know that , the word "clue" also has a nautical use: "to haul up (a sail) by means of clue-lines" in the "wound ball of yarn" sense.

Thank you for reading , hope you enjoyed it!

Sources
http://www.dictionary.com/browse/clue
https://en.wiktionary.org/wiki/clue
https://www.youtube.com/