New Testament name of unknown origin, borne by the grandmother of the Timothy to whom St Paul wrote two epistles (see 2 Timothy 1:5). Both Timothy and his mother Eunice bore common Greek names, but Lois remains unexplained. In popular fiction the name is borne by Lois Lane, the reporter girlfriend of Superman.
English: 1. from Middle English slaye (Old English slege, from slēan ‘to strike’), a metonymic occupational name for a slay maker, an implement used in weaving to push the weft thread tightly against the thread of the preceding pass of the shuttle. 2. topographic name from Middle English slay ‘grassy slope’.