Unsourced material may be challenged and removed. (May 2015). Etymology is the study of the history of words, their origins, and how their form and meaning have changed over time. By extension, the term the etymology of [a word] means the origin of the particular word.
4. Coconut Oil. Coconut oil is excellent for the hair and scalp and has been used for years in tropical countries as a well-loved beauty tonic. To use coconut oil for itchy scalp, warm a bit of coconut oil and massage it into the scalp. Leave it for a bit and then rinse off. It will take away dry scalp and will add shine and luster to your locks.
1 If your skin is too sensitive, dilute tea tree oil with some baby shampoo. Add 10-20 drops of tea tree oil to 1/2 cup of baby shampoo. Use this daily to wash your scalp and hair till you get rid of itchy scalp.  You can even massage diluted tea tree oil to your scalp.