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Misr (IPA: [misr] or Egyptian Arabic pronunciation: [mes]; Arabic: ) is the Classical Quranic Arabic and modern official name of Egypt, while Masr (IPA: [ms]; Egyptian Arabic: ) is the local pronunciation in Egyptian Arabic. The name is of Semitic origin, directly cognate with other Semitic words for Egypt such as the Hebrew (Mitzrayim). The oldest attestation of this name for Egypt is the Akkadian KURmi-is-ru misru, related to misru/misirru/misaru, meaning "border" or "frontier".

What does the oldest know term for Egypt translate to?
"border" or "frontier".