English
nucleotide
Nucleotide comes from Latin nucleus ‘(small) nut’, and goes back to Proto-Italic *knuks.
- Proto-Italicc. 1500–700 BCE*knuks‘nut’reconstructed
- Latinc. 75 BCE–200 CEnux‘nut’
- Latin, derivedc. 75 BCE–200 CEnucleus‘(small) nut’
- English1500–presentsame form
- Englishearliest quotation 1993nucleotide
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Italicc. 1500–700 BCE*knuks‘nut’reconstructed
- Latinc. 75 BCE–200 CEnux‘nut’
- Latin, derivedc. 75 BCE–200 CEnucleus‘(small) nut’
- English1500–presentsame form
- Englishearliest quotation 1993nucleotide
Earliest quotation: 1993, James Younger, Fishy Short Cut To Mapping Human Genome: “With a genome of only 400 million or so…”
A compound of nucleo- ‘relating to the nucleus’ + -ide ‘chemical suffix’
Linked words
through Latin nux ‘nut’
Today it means
noun The monomer constituting DNA or RNA biopolymer molecules. Each nucleotide consists of a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine; a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA); and a phosphate group.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Italic *knuks / nucleotide