English
sublineation
From sub- + lineation.
Today it means
noun A line drawn underneath text; an underline.
Sources
Sources: Wiktionary, “sublineation”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / sublineation