The story
- Scottish Gaelic · derived fromFéchin
- Scottish Gaelic · derived fromMo Fhégu
- Cumbric · derived from*lys“enclosure”
- English todayLesmahagow
According to Alan G. James, from Cumbric *lys (“enclosure”) + Scottish Gaelic Mo Fhégu, a saint's name and hypocorism of Scottish Gaelic Féchin.
Etymology from Wiktionary, CC BY-SA 4.0.