Where does “toothbrushless” come from?
toothbrushless (English) comes from English toothbrush, from English Brush, from Middle English brusshe, from Old French broisse, from Vulgar Latin brustia, from Icelandic bursti, from Proto-Germanic burstiz, from Proto-Germanic bʰurstís — top, tip, point.
toothbrushless (English): Without a toothbrush
Ancestry of “toothbrushless”, step by step