Meaning: bright, shining, purification
Root word: Latin lustrare “spread light over, brighten, illumine,” lustrum “purification”
Roots with similar meanings:
Roots with opposite meanings:
Roots that could be confused:
Notes:
Derived English Words
Commonly encountered words are in bold.
Lustrate: To purify ceremonially, especially by a ritualistic washing or cleansing.
Lustrum: A period of five years; historically, it referred to a purification ceremony performed every five years in ancient Rome.
Lustration: The process or act of purification, often through ritualistic or ceremonial means.
Lustre (or Luster): The state or quality of shining by reflecting light; a sheen or gloss.
Lustrous: Shining or glowing with reflected light; radiant.
Lustreless (or Lusterless): Lacking brightness or shine; dull.
Lacklustre (or Lackluster): Dull, lacking in vitality, brightness, or enthusiasm.
Lustrine: A type of glossy fabric or material.
Illustrate: To clarify or make clear by giving examples or providing visual representations.
Illustration: A picture or diagram that helps make something clear or attractive; also, the act of explaining something.
Illustrious: Highly distinguished, renowned, or celebrated, often implying being well-lit or shining in reputation.
Illustrative: Serving as an example or explanation.
Other Uses
Links
List of Greek and Latin roots in English – Wikipedia
CoMo Science 
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