The story
- Proto-Indo-European · derived from*legʰ-“to lie (down)”
- Proto-Celtic · derived from*legyā“layer”
- Gaulish · derived from*ligyā
- Medieval Latin · derived fromlias“lees, dregs”
- Old French · derived fromlies
- English todaylees
From Old French lies, from Medieval Latin lias (“lees, dregs”) (descent via winemaking common in monasteries), from Gaulish *ligyā, *legyā (“silt, sediment”) (compare Welsh llai, Old Breton leh (“deposit, silt”)), from Proto-Celtic *legyā (“layer”), from Proto-Indo-European *legʰ- (“to lie (down)”). Doublet of lias; also related to Loire and Leicester.
Words from the same roots
Gaulish*ligyā all →
Proto-Celtic*legyā all →
Proto-Indo-European*legʰ- all →
Etymology from Wiktionary, CC BY-SA 4.0.