Eru þessi orð skyld? Það hlýtur eiginlega að vera, það væri sniðugt.
(Dagur)
http://www.oedilf.com/db/Lim.php?Word=Berber
Seems to want to settle it, this one:
Etymology links Berbers, who settled North Africa's Barbary Coast, with locally indigenous Barbary apes (Macaca sylvana), and all things barbarous, an adjective which derives from the Greek barbaros, meaning "non-Greek-speaking," "foreign," or "ignorant." The unrelated word barber stems from the Latin barba, or "beard," no matter how barbarous your haircut looks.
And for good measure:
http://en.wikipedia.org/wiki/False_cognate
Sko, þetta var upprunalega barberi = sá sem ber barinn. Í gamla daga, áður en þeir uppgötvuðu barborðið, þurfti einhver að halda barnum uppi svo fólk gæti fengið sér ískaldan kranabjór á kvöldin.
Þegar barborðið var svo fundið upp höfðu barberarnir ekkert að gera lengur og drukku sig pissfulla í staðinn. Þannig fékk orðið merkinguna "einhver sem kann sig ekki og er ekki siðmenntaður".

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The plot thickens:
Barbary Look up Barbary at Dictionary.com
c.1300, "foreign lands" (especially non-Christian lands," from L. barbarus "barbarous" (see barbarian). Meaning "Saracens living in coastal North Africa" is attested from 1596, via Fr. (O.Fr. Barbarie), from Arabic Barbar, Berber, ancient Arabic name for the inhabitants of N.Africa beyond Egypt. Perhaps a native Arabic word, from barbara "to babble confusedly," which may be ult. from Gk. barbaria (see barbarian). "The actual relations (if any) of the Arabic and Gr words cannot be settled; but in European langs. barbaria, Barbarie, Barbary, have from the first been treated as identical with L. barbaria, Byzantine Gr barbaria land of barbarians.