noun, feminine/e.klis/plural: éclisses
splint; spline; fishplate
Inherited from Old French esclice, esclis (“a piece split off”) (whence also English slice), deverbal of esclicer, esclicier (“to splinter, split up”), from Frankish *slitjan (“to split up”), from Proto-Germanic *slitjaną, from Proto-Germanic *slītaną (“to split, tear apart”), from Proto-Indo-European *sleyd- (“to rend, injure, crumble”). Akin to German Schlitz and English slit.