English
differentiable
Differentiable comes from Latin differēns ‘spreading, scattering, dispersing, separating’, from ferō ‘to bear’, and ultimately from Proto-Indo-European *bʰer-.
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰer-‘to bear, carry’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*bʰéreti‘to be carrying’reconstructed
- Proto-Italicc. 1500–700 BCE*ferō‘to carry, bear’reconstructed
- Latinc. 75 BCE–200 CEferō‘to bear’
- Latin, derivedc. 75 BCE–200 CEdifferō‘to carry different ways, spread, scatter, disperse, separate’
- Latin, derivedc. 75 BCE–200 CEdifferēns‘spreading, scattering, dispersing, separating’
- Latin, derivedc. 75 BCE–200 CEdifferentia
- New Latinmoderndifferentiō
- New Latin, derivedmoderndifferentiātus
- English1500–presentdifferentiate
- Englishearliest quotation 1890differentiable
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰer-‘to bear, carry’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*bʰéreti‘to be carrying’reconstructed
- Proto-Italicc. 1500–700 BCE*ferō‘to carry, bear’reconstructed
- Latinc. 75 BCE–200 CEferō‘to bear’
- Latin, derivedc. 75 BCE–200 CEdifferō‘to carry different ways, spread, scatter, disperse, separate’
- Latin, derivedc. 75 BCE–200 CEdifferēns‘spreading, scattering, dispersing, separating’
- Latin, derivedc. 75 BCE–200 CEdifferentia
- New Latinmoderndifferentiō
- New Latin, derivedmoderndifferentiātus
- English1500–presentdifferentiate
- Englishearliest quotation 1890differentiable
Earliest quotation: 1890, Randolph Sinks Foster, Studies in Theology: “It would, in that case, have been as real…”
A compound of differentiate + -able
New Latin differentiātus
English differentiate
Linked words
through Proto-Indo-European *bʰer- ‘to bear, carry’
bar, birth, broad, bread, fortune, bearing, prefer, burden, barrel, barn, fury, baron, bark, bore, breeze, broom, barrow, embargo, berth, fret, ferret, furtive, bier, bahar, insufferable, birr, bairn, burnish, barrette, proffer, 120 more
through Proto-Indo-European *bʰéreti ‘to be carrying’
bear, borne, phosphate, phosphorus, euphoria, dysphoria, semaphore, phosphine, 98 more
through Proto-Italic *ferō ‘to carry, bear’
suffering, infertility, infertile, 74 more
through Latin ferō ‘to bear’
offer, transfer, translation, extraordinary, reference, relative, relate, relation, suffer, translate, frustration, strangely, referendum, referee, fertility, extravagant, fertile, frustrate, elated, confer, infra, infer, extraneous, fertilization, elation, strangeness, deference, collation, collate, ablation, fertilize, estrange, oblate, ablative, deferential, efferent, 77 more
through Latin differō ‘to carry different ways, spread, scatter,…’
defer, dilate, indifferently, 44 more
through Latin differēns ‘spreading, scattering, dispersing, separating’
Today it means
adj Having a derivative, said of a function whose domain and codomain are manifolds.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *bʰer- / differentiable