éphémère

Etymology
, borrowed from.

Adjective

 * 1) ephemeral lasting for only a short time; transitory
 * 2)  existing for only one day; ephemeral
 * 1)  existing for only one day; ephemeral
 * 1)  existing for only one day; ephemeral
 * 1)  existing for only one day; ephemeral

Noun

 * 1) mayfly