to sharpen (of a point, to make sharper) · to hone (e.g. a skill) · to whet
çekim: geçmiş aiguisé · ortaç aiguisé · şimdiki aiguise · ulaç aiguisant
eş: émoudre
köken: Inherited from Old French aguisier, from Vulgar Latin *acutiāre, from Latin acūtus, the past participle of acuō. Compare Catalan agusar, Italian aguzzare, Occitan agusar, Portuguese aguçar, Spanish aguzar. The initial -ai- can probably be explained through a hypothetical proto-French or late Vulgar Latin intermediate form *ayguydzar(e), from assimilation of the palatal approximant in the second…
edge, arris (boundary line of a surface; sharp edge or ridge formed by the intersection of two surfaces) · edge (1D polytope, joining line between two vertices of a polygon) · (undirected) edge
çekim: çoğul särmät · tamlayan särmän
köken: From Proto-Finnic *särmä, according to Aikio (2020) equivalent to särkeä (“to break”) + -mä. Cognate with Estonian särme and Veps särm, särmaine. Probably originally "strip, band, ribbon", later "(sharp) edge". Modern geometry sense was given to it by Finnish physician and author Samuel Roos.