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PERTINENT - borrowed from French pertinent, from Latin pertinens, present participle of pertinere (''to extend, stretch out, belong, relate, pertain, have concern'') from per (''through''') + tenere (''to hold'').

YIKES - exclamation of alarm or surprise, by 1953; perhaps from yoicks, a call in fox-hunting, attested from c. 1770.

The Egyptians were the first to actually take a blade to their hair. The 180 degree haircut is rather simple. Its a procedure where you literally take the hair straight up and cut straight across creating a short to long layer. Mainly used on people with longer hair.