architrave means the lowest part of an entablature; rests on the capitals of the columns. Lexicurio rates it Rare gem — a strength score of 84 out of 100.
architrave is pronounced /ˈɑɹ.kɪ.tɹeɪv/.
Why “architrave” is a great word
ARCHITRAVE — [Noun] The lowest section of an entablature, resting directly on the capitals of columns, or the molded frame surrounding a door, window, or other rectangular opening. First attested 1563, borrowed from Italian architrave, from archi- ("main, chief") + trave ("beam"). Unlike "entablature," which denotes the entire superstructure of moldings and bands supported by columns, or "casing," a general carpentry term for trim, "architrave" specifies the foundational beam or the formal, classical profile that delineates an opening. It is the stout lintel bearing a temple's pediment; the crisp, painted line that turns a hole in a wall into a considered doorway; the cool shadow cast by its profile on sunlit plaster—the quiet line where support ends and space begins.
Etymology
First attested 1563, borrowed from Italian architrave, from archi- (“main”) + trave (“beam”).
noun
- The lowest part of an entablature; rests on the capitals of the columns.“Flutings also adorn the short architraves each side of the fanlight, and the abacus of the pilaster columns which is carried across a supplementary lintel in front of the lintel proper, the latter being several inches to the rear because of the deeply recessed arrangement of the door.”
- The moldings (or other elements) framing a door, window or other rectangular opening.“I know that one hinge of this door has parted with the woodwork. Dry rot has turned the architrave to compacted dust.”