Correct spelling for the English word "clev" is [klˈɛv], [klˈɛv], [k_l_ˈɛ_v] (IPA phonetic alphabet).
The term "clev" is a shortened form of the word "clever". The etymology of "clever" can be traced back to the Old English word "clæfer", which means skillful or capable. Over time, it evolved to "clever" in Middle English, retaining the same meaning. The word "clever" itself represents ingenuity, intelligence, or quick-wittedness. The abbreviation "clev" is simply a truncation of this original term.