English
filthless
From filth + -less.
Formed from filth + -less
Proto-Indo-European *puH- ‘to be rotten’
…
Proto-West Germanic *fūl ‘foul, dirty’
Proto-West Germanic *fūliþu ‘foulness, rottenness, filth’
Old English fȳlþu
Middle English filth
English filth
Today it means
adj Free of filth; clean; pure.
Language periods are conventional ranges, not dates for this word.
Etymograph / filthless