Where does “L1” come from?

Level comes from Middle English level, from Old French livel, from Latin libella meaning "balance or level," derived from Latin libra meaning "pound or balance," ultimately from Proto-Indo-European lewbʰ-.

L1 (English): Mother tongue; someone's native language; first...

Definitions

  1. Mother tongue; someone's native language; first...

Ancestry of “L1”, step by step

StepLanguageWordMeaning
1EnglishlevelThe same height at all places; parallel to a flat...
2Middle Englishlevel—
3Old Frenchlivel—
4LatinlībellaAn as (the tenth part of a denarius)
5Latinlībra—
6Ancient Greekζυγόνyoke, for joining animals; yoke, burden; in...
7Proto-Hellenicdzugónyoke
8Proto-Indo-Europeanyugómyoke
9Proto-Indo-Europeanyewg-to join, to yoke, to tie together
Every word from Proto-Indo-European yewg- →Every word from Proto-Indo-European yugóm →Every word from Proto-Hellenic dzugón →