Where does “lustro” come from?

lustro (Portuguese) comes from Latin lūstrum, from Old Latin loustrom, from Proto-Indo-European lewkstrom, from Proto-Indo-European lewk- — bright; to shine; to see.

lustro (Portuguese): lustrum; five-year period

Definitions

  1. lustrum; five-year period

Ancestry of “lustro”, step by step

StepLanguageWordMeaning
1Latinlūstrumbog, morass, place where boars and swine wallow
2Old Latinloustrom—
3Proto-Indo-Europeanlewkstrom—
4Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewkstrom →Every word from Old Latin loustrom →