† through-lookingn.Obsolete a thorough examination, an overview. [Rendering classical Latin prooemiumproemn., but perhaps originally an element-by-element gloss of a word in per- (such as perscrūtātiōperscrutationn. or perspicuitāsperspicuityn.) either excerpted from a relevant explanatory gloss or displaced in transmission. Compare later through-lookvb. at sense 1.]