English

latherer

From lather + -er.

Formed from lather + -er

Proto-Indo-European *lewh₃- ‘to wash’

…

Proto-Germanic *lauþrą ‘that which is used for washing, soap’

Proto-West Germanic *lauþr

Old English lēaþor ‘a kind of nitre used for soap, soda’

Middle English lather

Today it means

noun A person employed to fasten laths to parts of buildings.

Language periods are conventional ranges, not dates for this word.

Etymograph / latherer