Where does “underline” come from?

Underline derives from English under and English line, with line tracing to Old English līn, Proto-Germanic *līnan, and Proto-Indo-European *līno-, meaning flax or linen.

underline (English): A line placed underneath a piece of text in order...

Definitions

  1. A line placed underneath a piece of text in order...

Ancestry of “underline”, step by step

StepLanguageWordMeaning
1EnglishlineA path through two or more points (compare ‘segment’); a continuous mark, including as made by a pen; any path, curved or straight
2Middle Englishlinerope, cord; line, rule, ruler, measure; rule,...
3Old Englishlīneline, rope, cord; line, cable, rope, hawser,...
4Proto-West Germanic*līnāline, chord, rope, string
5Proto-Germaniclīnǭthat which is made of flax; line, chord, rope,...
6Proto-Germaniclīnąflax
7Proto-Indo-Europeanlīno-flax

Words derived from “underline

Every word from Proto-Indo-European līno-
underline — Etymology, Origin & Word History | Etymology Explorer