Where does “illustrious” come from?

illustrious (English) comes from Latin illūstris, from Latin illustro, from Latin lūstrō, from Latin lūstrum, from Old Latin loustrom, from Proto-Indo-European lewkstrom, from Proto-Indo-European lewk- — bright; to shine; to see.

illustrious (English): Admired, distinguished, respected, or well-known,...

Definitions

  1. Admired, distinguished, respected, or well-known,...

Ancestry of “illustrious”, step by step

StepLanguageWordMeaning
1Latinillūstrisbright, shining, brilliant, lustrous
2LatinillustroI illuminate, brighten, light up; I elucidate,...
3Latinlūstrōto purify by means of a propitiatory sacrifice
4Latinlūstrumbog, morass, place where boars and swine wallow
5Old Latinloustrom
6Proto-Indo-Europeanlewkstrom
7Proto-Indo-Europeanlewk-bright; to shine; to see

Words derived from “illustrious

Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewkstromEvery word from Old Latin loustrom