Etymograph

English

nuclear

Nuclear comes from Latin nucleus ‘kernel, small nut’, a diminutive of nux ‘nut’.

  1. Proto-Italicc. 1500–700 BCE*knuks‘nut’reconstructed
  2. Latinc. 75 BCE–200 CEnux‘nut’
  3. Latin, derivedc. 75 BCE–200 CEnucleus‘small nut; kernel’
  4. Englishearliest quotation 1958nuclear

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Italicc. 1500–700 BCE*knuks‘nut’reconstructed
  2. Latinc. 75 BCE–200 CEnux‘nut’
  3. Latin, derivedc. 75 BCE–200 CEnucleus‘small nut; kernel’
  4. Englishearliest quotation 1958nuclear

Earliest quotation: 1958, Foreign Relations of the United States: “Admiral Burke believed that we would be able to…”

Equivalent to nucleus + -ar

Proto-Italic *knuks ‘nut’

Latin nux ‘nut’

Latin nucleus ‘kernel, core’

English nucleus

The story

The Latin nucula + -āris adds up to nuculāris, a term that in English becomes nucular; the Latin nuculea + -āris, becomes Latin nuculeāris (‘relative to what pertains to small nut’), later contracted into nuclear.

Linked words

through Latin nux ‘nut’

nut, nougat, 9 more

Today it means

adj Pertaining to the nucleus of an atom.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Italic *knuks / nuclear

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