Other forms: laths
A lath is a thin narrow strip of wood used in building. Lath and plaster, nail the laths, split laths.
Lath and plaster is how every wall and ceiling was built before plasterboard: strips nailed with gaps, and the plaster squeezed through to key behind them. Anybody drilling into an old ceiling meets them.
1nounlathA thin narrow strip of wood used in building.
“When we knocked down the old wall, we found rows of lath behind the crumbling plaster.”
lath is a strip.
Old English laett names the strip, from a West Germanic root.
Proto-Indo-European
*(s)lat-
Proto-Germanic
*laþô
Proto-West Germanic
*lattu
Old English
lætt — lath
Middle English
laththe
English, today
lath
From Middle English laththe, laþþe, earlier lathe, laþe, altered from Old English lætt (“lath”), from Proto-West Germanic lattu, from Proto-Germanic laþô (compare Dutch lat, German Latte) from Proto-Indo-European (s)lat- (compare Welsh llath (“rod, wand, yard”)).
Etymology from Wiktionary, CC BY-SA