The story
- Middle English · inherited frombotemles
- English todaybottomless
From Middle English botemles, botmeles, equivalent to bottom + -less. Cognate with West Frisian boaiemleas (“bottomless”), Dutch bodemloos (“bottomless”), German Low German boddenloos (“bottomless”), German bodenlos (“bottomless”), Swedish bottenlös (“bottomless”), Icelandic botnlaus (“bottomless”).
Etymology from Wiktionary, CC BY-SA 4.0.