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The original was posted on /r/todayilearned by /u/GetYerHandOffMyPen15 on 2025-01-25 04:10:36+00:00.

Original Title: TIL that the Romans added the letter “Y” in the first century to pronounce Greek loanwords containing the letter upsilon, and originally made an “ew” sound. The Romans called the letter “Greek I,” which is still its name in some Romance languages.