True, there is the non-Jewish yell that's just an “Oi,” as in “Oi you, put that down, or I'll give you a clip round the ear.” And here's the crucial difference: “oi” is a yell directed at others, while “oy” is an archetypal Jewish expression of misery directed towards nobody except the Almighty.
Famed explorer Christopher Columbus was likely Spanish and Jewish, according to a new genetic study conducted by Spanish scientists. The study aimed to shed light on a centuries-old mystery.
Columbus was a Sephardic Jew from Western Europe, study finds
https://www.reuters.com/science/columbus-was-sephardic-jew-western-euro…
Christopher Columbus, 1519. Found in the collection of the Metropolitan Museum of Art, New York. Artist : Piombo, Sebastiano, del (1485-1547). Columbus' life and discoveries are under scrutiny given the atrocities committed against Native American populations by European settlers and their descendants. Columbus himself enslaved thousands of native people, many of whom were sent back to Spain.
Fine Art/Heritage/Getty Images