köken: Inherited from Middle French dalle (“sink, gullet”), a borrowing from Old Norse dæla (“a small dale, ship's drain or pump, a small bucket, a groove, trough, trench, eaves”), from Proto-Germanic *dalą (“valley”), cognate with Dutch daal (“trough, spout”). More at dale.
aile: avoir la dalle, crever la dalle, daller, que dalle
slab, bar, sheet, tablet (piece of material with uniform cross-section) · paving slab, flagstone · slab of concrete forming horizontal component of a building
köken: Inherited from Old Catalan losa, from Latin lausia, of Celtic origin, from Gaulish or Celtiberian *lausia, from Proto-Celtic *plousā (“stone slab”), of uncertain ultimate origin. Cognate with Spanish losa, French lauze, Galician lousa, etc.
köken: From Old Irish lecc, from Proto-Celtic *ɸlikkā, from Proto-Indo-European *pl̥keh₂ (“flat surface”), from Proto-Indo-European *pleh₂- (“flat”). Celtic cognates include Welsh llech, Breton lec'h, Cornish legh, and Gaulish Are-lica (toponym). Indo-European cognates include Ancient Greek πλάξ (pláx, “flat stone”).
aile: bain as an leac, bonnleac, bundún leice, cuir ar an leac, faoi leac, idir leac is losaid, leac chloiche, leac chruaite, leac chruaiteacháin, leac chuimhneacháin
Uncertain. The term is thought to have existed as Vulgar Latin *lausa (whence Old French lose, Old Occitan lausa), possibly ultimately borrowed from Gaulish *lausā, from Proto-Celtic *lausā (“stone”), from Proto-Indo-European *léh₁u-s ~ *l̥h₁w-és, whence also Proto-Celtic *līwos (“stone”), from *leh₁- (“stone”).