- slàpach
- slapach, slàpachslovenly, Irish slapach, slovenly, slapar, a trail or train; from Scandinavian - Norse slápr, a good-for-nothing, slaepa, vestis promissa et laxa (Jamieson), sloppr, English slop, Scottish slaupie, slovenly, Dutch slap, slack, remiss, German schlaff.
Etymological dictionary of the Gaelic language. Alexander Gairm Publications. 1982.