Etymograph

English

longitudinal

Longitudinal comes from Latin longitūdō ‘length, longitude’, from longus ‘far, long’, and ultimately from Proto-Indo-European *dlongʰos.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dlongʰos‘long’reconstructed
  2. Proto-Italicc. 1500–700 BCE*(d)longos‘long’reconstructed
  3. Latinc. 75 BCE–200 CElongus‘far, long’
  4. Latin, derivedc. 75 BCE–200 CElongitūdōas longitūdin-‘length, longitude’
  5. Englishearliest quotation 1847longitudinal

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dlongʰos‘long’reconstructed
  2. Proto-Italicc. 1500–700 BCE*(d)longos‘long’reconstructed
  3. Latinc. 75 BCE–200 CElongus‘far, long’
  4. Latin, derivedc. 75 BCE–200 CElongitūdōas longitūdin-‘length, longitude’
  5. Englishearliest quotation 1847longitudinal

Earliest quotation: 1847, editorial staff, Winnowing Machines: “...forming the bottom of the hopper, in combination with…”

Formed from -al

Linked words

through Proto-Indo-European *dlongʰos ‘long’

along, longer, length, linger, 17 more

through Latin longus ‘far, long’

lunge, oblong, elongate, elongation, longus, longe, 10 more

Today it means

adj Running across a set direction of an object.

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

Etymograph / Proto-Indo-European *dlongʰos / longitudinal

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