English
forsloth
From for- + sloth.
Proto-Indo-European *pro- ‘before, in front of’
Proto-Germanic *fra- ‘off, away’
Proto-West Germanic *fra- ‘forms verbs with the sense of "away from" or…’
English for-
Proto-Germanic *slaiwiþō ‘slowness, lateness’
Proto-West Germanic *slaiwiþu
Old English slǣwþ ‘sloth, indolence, laziness, inertness, torpor’
Middle English slouthe ‘laziness’
English sloth
Today it means
verb To lose, miss, neglect, spoil, or waste through sloth.
Language periods are conventional ranges, not dates for this word.
Etymograph / forsloth