English
supraangular
From supra- + angular.
Proto-Indo-European *úp
…
Proto-Italic *superos ‘upper’
Proto-Italic *superād ‘above’
Old Latin suprād
Latin suprā ‘above, on the top, on the upper side’
English supra-
Proto-Indo-European *h₂eng- ‘bend, curve’
…
Proto-Italic *angulos
Latin angulus ‘angle, corner’
Latin angulāris
Middle English angular
English angular
Today it means
adj surangular
Language periods are conventional ranges, not dates for this word.
Etymograph / supraangular