lintel

[lin-tl]
Also British, lin·tol.

Origin of lintel

1350–1400; Middle English lyntel < Middle French lintel, dissimilated variant of *linter < Latin līmitāris orig., belonging to or indicating a boundary; later taken as synonym of līmināris orig., of the threshold. See limit, -ar1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for lintols

lintel

noun
  1. a horizontal beam, as over a door or window

Word Origin for lintel

C14: via Old French probably from Late Latin līmitāris (unattested) of the boundary, influenced in meaning by līminaris of the threshold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for lintols

lintel

n.

early 14c., from Old French lintel "threshold" (13c., Modern French linteau), of uncertain origin, probably a variant of lintier, from Vulgar Latin *limitaris "threshold," from Latin limitaris (adj.) "that is on the border," from limes (genitive limitis) "border, boundary" (see limit (n.)). Altered by influence of Latin limen "threshold."

Online Etymology Dictionary, © 2010 Douglas Harper