Where does “red nugget galaxy” come from?

red nugget galaxy (English) comes from English Red, from English rede, from Middle English reden, from Old English rǣdan, from Proto-West Germanic rādan, from Proto-Germanic rēdaną, from Proto-Indo-European Hreh₁dʰ-, from Proto-Indo-European h₂reh₁- — to fit, to fix, to put together.

red nugget galaxy (English): A type of passive, massive and compact elliptical galaxy, that has been little changed over many billions of years, having little internal activity, little to no interaction with other galaxies, little to no new star formation in billions of years. The galaxies typically are many times more massive,

Definitions

  1. A type of passive, massive and compact elliptical galaxy, that has been little changed over many billions of years, having little internal activity, little to no interaction with other galaxies, little to no new star formation in billions of years. The galaxies typically are many times more massive,

Ancestry of “red nugget galaxy”, step by step

red nugget galaxy traces back through 3 separate lines of ancestry.

via English Red

StepLanguageWordMeaning
1EnglishRedA Communist; A supporter of a sports team who...
2EnglishredeHelp, advice, counsel; Decision, a plan; To...
3Middle Englishredento counsel, advise; to study; to read
4Old Englishrǣdanto read, interpret; to counsel, advise; plot,...
5Proto-West Germanicrādanto advise, counsel, help; to devise, decide,...
6Proto-Germanicrēdanąto decide, advise
7Proto-Indo-EuropeanHreh₁dʰ-to think; to arrange; to succeed, accomplish
8Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
9Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via English galaxy

StepLanguageWordMeaning
1EnglishgalaxyThe Milky Way; the apparent band of concentrated...
2Middle Englishgalaxye
3Old Frenchgalaxie
4Latingalaxiāsthe Galaxy, the Milky Way
5Ancient Greekγαλαξίαςthe Milky Way galaxy; tailor's chalk; dogfish
6Ancient Greekγάλαmilk; milky sap; the Milky Way galaxy
7Proto-Indo-Europeanglakt-

via English nugget

StepLanguageWordMeaning
1EnglishnuggetA small, compact chunk or clump; A chicken...
2English-etUsed to form diminutives, loosely construed
3Middle English-etForms diminutive nouns from nouns; in some words,...
4Old French-etUsed to form a diminutive, masculine noun;...
5Latin-ātused
6Proto-Italic-ātos
7Proto-Indo-European-éh₂tosForms adjectives from nouns, indicating the possession of a thing or a quality
Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Indo-European Hreh₁dʰ-
red nugget galaxy — Etymology, Origin & Word History | Etymology Explorer