來自古愛爾蘭語Manu,即Isle of Man.該島為英格蘭與愛爾蘭之間的海島。Manu在古愛爾蘭語裏有海神之意,即海神保佑的島嶼。同時,也有學者認為該詞本身意為島,來自PIE*men,突起,升起,詞源同mountain,eminent.即海上升起的山,島嶼。
英文詞源
Manx
1798, earlier Manks (1620s), metathesized from Maniske (1570s) "of the Isle of Man," from Old Norse *manskr, from Man (from Old Irish Manu "Isle of Man") + suffix -iskr "ish." Manx cat, without a tail, first attested 1843.