Where does “lucid” come from?

Lucid comes from Latin lucidus, derived from Latin lux meaning light, from Proto-Italic louks, ultimately from Proto-Indo-European lewk- meaning to shine.

lucid (English): clear; easily understood; mentally rational;...

Definitions

  1. clear; easily understood; mentally rational;...

Ancestry of “lucid”, step by step

StepLanguageWordMeaning
1Latinlūcidusclear, bright, shining, full of light
2Latinlūceōto be light, clear; to shine, glitter
3Proto-Italicloukeōcause to emit light, cause to shine, ignite
4Proto-Indo-Europeanlowkéye-
5Proto-Indo-Europeanlewk-bright; to shine; to see

Words derived from “lucid

Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lowkéye-Every word from Proto-Italic loukeō