Etymology of the English word louser
the English word
louserderived from the English word
lousederived from the Proto-Germanic root
*lusderived from the Proto-Indo-European root
*lus-using the English suffix
-erderived from the Proto-Germanic root
*-arjazusing the Latin suffix
-arius (-ar)
Date
The earliest known usage of louser in English dates from the 20th century.