English

acutangular

Blend of acute + angular.

Latin acuō ‘to make pointed, sharpen, whet’

Latin acūtus ‘sharp, sharpened’

Latin acūta

Middle English acute ‘of a disease or fever: starting suddenly and…’

English acute

Proto-Indo-European *h₂eng- ‘bend, curve’

…

Proto-Italic *angulos

Latin angulus ‘angle, corner’

Latin angulāris

Middle English angular

Today it means

adj acute-angled.

Language periods are conventional ranges, not dates for this word.

Etymograph / acutangular