English
thermodifferential
Thermodifferential 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 1972thermodifferential1
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English thermodifferential
- Earliest quotation in Wiktionary’s entry: 1972, Nuclear Science Abstracts: “Results are correlated by using electronograms and thermodifferential analyses.”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰer-Wiktionary, English thermodifferential‘to bear, carry’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰéretiWiktionary, English thermodifferential‘to be carrying’reconstructed
- Proto-Italicc. 1500–700 BCE*ferōWiktionary, English thermodifferential‘to carry, bear’reconstructed
- Latinc. 75 BCE–200 CEferōWiktionary, English thermodifferential‘to bear’
- Latinc. 75 BCE–200 CEdifferōWiktionary, English thermodifferential‘to carry different ways, spread, scatter, disperse, separate’
- Latinc. 75 BCE–200 CEdifferēnsWiktionary, English thermodifferential‘spreading, scattering, dispersing, separating’
- Latinc. 75 BCE–200 CEdifferentiaWiktionary, English thermodifferential
- Latinc. 75 BCE–200 CEdifferentiāliWiktionary, English thermodifferential
- English1500–presentdifferentialWiktionary, English thermodifferential
- Englishearliest quotation 1972thermodifferentialWiktionary, English thermodifferential. Earliest quotation in Wiktionary’s entry: 1972, Nuclear Science Abstracts: “Results are correlated by using electronograms and thermodifferential analyses.”
A compound of thermo- + differential
Proto-Indo-European *gʷʰer- ‘to be warm’
Proto-Indo-European *gʷʰermos
Proto-Hellenic *kʷʰermós
Ancient Greek θερμός ‘warm, hot’
English thermo-
Latin differentiālis
English differential
Linked words
through Proto-Indo-European *bʰer- ‘to bear, carry’
bar, birth, broad, bread, fortune, prefer, bearing, burden, barrel, barn, fury, baron, bark, bore, breeze, broom, barrow, embargo, berth, 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, transfer, reference, translation, extraordinary, relative, relate, suffer, relation, translate, frustration, strangely, referendum, referee, fertility, extravagant, fertile, frustrate, elated, confer, infer, infra, extraneous, fertilization, indifferent, ablation, differentiation, elation, strangeness, deference, collation, collate, 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 Pertaining to differences in temperature.
Sources
Sources: Wiktionary, “thermodifferential”. 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- / thermodifferential