The katakana syllable エ (e). Its equivalent in hiragana is え (e). It is the fourth syllable in the gojūon order; its position is ア行エ段 (a-gyō e-dan, “row a, section e”).

Kyūjitai form of 一体: on earth, the heck, in the world (used for emphasis and to express incredulity)

(obsolete) The hentaigana syllable that is used to represent ya in old Japanese text.

a male given name