English
ultradifferential
Ultradifferential 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-1‘to bear, carry’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰéreti1‘to be carrying’reconstructed
- Proto-Italicc. 1500–700 BCE*ferō1‘to carry, bear’reconstructed
- Latinc. 75 BCE–200 CEferō1‘to bear’
- Latinc. 75 BCE–200 CEdifferō1‘to carry different ways, spread, scatter, disperse, separate’
- Latinc. 75 BCE–200 CEdifferēns1‘spreading, scattering, dispersing, separating’
- Latinc. 75 BCE–200 CEdifferentia1
- Latinc. 75 BCE–200 CEdifferentiāli1
- English1500–presentdifferential1
- Englishearliest quotation 2016ultradifferential1
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English ultradifferential
- Earliest quotation in Wiktionary’s entry: 2016, Jürgen Pöschel, A new approach to ultradifferentiable functions: “We give new and simpler proofs of more general…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰer-Wiktionary, English ultradifferential‘to bear, carry’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰéretiWiktionary, English ultradifferential‘to be carrying’reconstructed
- Proto-Italicc. 1500–700 BCE*ferōWiktionary, English ultradifferential‘to carry, bear’reconstructed
- Latinc. 75 BCE–200 CEferōWiktionary, English ultradifferential‘to bear’
- Latinc. 75 BCE–200 CEdifferōWiktionary, English ultradifferential‘to carry different ways, spread, scatter, disperse, separate’
- Latinc. 75 BCE–200 CEdifferēnsWiktionary, English ultradifferential‘spreading, scattering, dispersing, separating’
- Latinc. 75 BCE–200 CEdifferentiaWiktionary, English ultradifferential
- Latinc. 75 BCE–200 CEdifferentiāliWiktionary, English ultradifferential
- English1500–presentdifferentialWiktionary, English ultradifferential
- Englishearliest quotation 2016ultradifferentialWiktionary, English ultradifferential. Earliest quotation in Wiktionary’s entry: 2016, Jürgen Pöschel, A new approach to ultradifferentiable functions: “We give new and simpler proofs of more general…”
Linked words
through Proto-Indo-European *bʰer- ‘to bear, carry’
bar, birth, broad, fortune, bread, prefer, bearing, burden, barrel, barn, fury, baron, bark, bore, breeze, broom, barrow, berth, embargo, fret, ferret, insufferable, furtive, bier, bahar, birr, bairn, burnish, barrette, proffer, 111 more
through Proto-Indo-European *bʰéreti ‘to be carrying’
bear, borne, phosphate, phosphorus, euphoria, dysphoria, semaphore, phosphine, 89 more
through Proto-Italic *ferō ‘to carry, bear’
suffering, infertility, infertile, indifferently, 65 more
through Latin ferō ‘to bear’
offer, reference, transfer, relative, relate, translation, suffer, extraordinary, relation, translate, frustration, referendum, referee, fertility, strangely, fertile, extravagant, elated, confer, infer, frustrate, fertilization, infra, indifferent, ablation, differentiation, extraneous, elation, deference, collation, collate, strangeness, fertilize, ablative, oblate, estrange, deferential, efferent, 69 more
through Latin differō ‘to carry different ways, spread, scatter,…’
differently, differ, defer, dilate, 38 more
through Latin differēns ‘spreading, scattering, dispersing, separating’
through Latin differentia
difference, differentiable, differentiator, 26 more
through English differential
Today it means
adj A generalization of a differential that is calculated over an ultradistribution.
Sources
Sources: Wiktionary, “ultradifferential”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *bʰer- / ultradifferential