noun
exonym; xenonym
Technical term in linguistics and geography for a name used by outsiders for a place, language, or group, as opposed to the name used by the people themselves (内名, endonym).
See also: 内名
「ジャパン」は日本の外名の一つだ。
"Japan" is one of the exonyms for Japan.
言語学では、外名と内名を区別することが重要だ。
In linguistics, it is important to distinguish between exonyms and endonyms.