English
idoneity
Idoneity comes from Medieval Latin idōneitās ‘usefulness, fitness’, from Latin idōneus ‘suitable’, and perhaps ultimately from Proto-Indo-European *bʰer- ‘to bear, carry’.
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰer-1‘to bear, carry’uncertain
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰéreti2‘to bear, carry’uncertain
- Proto-Italicc. 1500–700 BCE*ferō2‘to carry, bear’uncertain
- Latinc. 75 BCE–200 CEferō3‘to bear, carry, bring’uncertain
- Latinc. 75 BCE–200 CEauferō4‘to take away’uncertain
- Latinc. 75 BCE–200 CEablātīvus5as ablativeuncertainperfect passive participle of auferō
- Latinc. 75 BCE–200 CEextrā6‘beyond’uncertain
- Latinc. 75 BCE–200 CEultrō6‘to the farther side, beyond, on the other side’uncertain
- Latinc. 75 BCE–200 CEultrōneus6‘voluntary’uncertain
- Latinc. 75 BCE–200 CEidōneus7‘suitable’
- Medieval Latinc. 600–1500idōneitās8‘usefulness, fitness’
- Englishtodayidoneity8
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Proto-Indo-European *bʰéreti
- 2 Wiktionary, Latin fero
- 3 Wiktionary, Latin aufero
- 4 Wiktionary, Latin ablativus
- 5 Wiktionary, Latin extra
- 6 Wiktionary, Latin idoneus, which cites Walde, Hofmann
- 7 Wiktionary, Latin idoneitas
- 8 Wiktionary, English idoneity
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰer-Wiktionary, Proto-Indo-European *bʰéreti‘to bear, carry’uncertain
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰéretiWiktionary, Latin fero‘to bear, carry’uncertain
- Proto-Italicc. 1500–700 BCE*ferōWiktionary, Latin fero‘to carry, bear’uncertain
- Latinc. 75 BCE–200 CEferōWiktionary, Latin aufero‘to bear, carry, bring’uncertain
- Latinc. 75 BCE–200 CEauferōWiktionary, Latin ablativus‘to take away’uncertain
- Latinc. 75 BCE–200 CEablātīvusWiktionary, Latin extraas ablativeuncertainperfect passive participle of auferō
- Latinc. 75 BCE–200 CEextrāWiktionary, Latin idoneus, which cites Walde, Hofmann‘beyond’uncertain
- Latinc. 75 BCE–200 CEultrōWiktionary, Latin idoneus, which cites Walde, Hofmann‘to the farther side, beyond, on the other side’uncertain
- Latinc. 75 BCE–200 CEultrōneusWiktionary, Latin idoneus, which cites Walde, Hofmann‘voluntary’uncertain
- Latinc. 75 BCE–200 CEidōneusWiktionary, Latin idoneitas‘suitable’
- Medieval Latinc. 600–1500idōneitāsWiktionary, English idoneity‘usefulness, fitness’
- EnglishtodayidoneityWiktionary, English idoneity
Linked words
through Proto-Indo-European *bʰer- ‘to bear, carry’
bar, birth, prefer, broad, bread, burden, bearing, barrel, fortune, barn, bore, fury, breeze, bark, baron, berth, broom, barrow, embargo, fret, ferret, insufferable, furtive, bier, bahar, proffer, birr, barrette, bairn, burnish, 111 more
through Proto-Indo-European *bʰéreti ‘to bear, carry’
bear, borne, phosphate, phosphorus, euphoria, dysphoria, semaphore, indifferently, phosphine, 89 more
through Proto-Italic *ferō ‘to carry, bear’
suffering, differently, indifferent, differentiation, deference, infertility, infertile, differentially, deferential, differentiable, differentiator, 66 more
through Latin ferō ‘to bear, carry, bring’
different, offer, difference, reference, transfer, relative, suffer, translation, relate, relation, differ, referendum, translate, referee, fertile, fertility, defer, infer, confer, elated, fertilization, fertilize, elation, collation, dilate, collate, efferent, oblate, 77 more
through Latin auferō ‘to take away’
through Latin ablātīvus
frustration, strangely, frustrate, infra, strangeness, ablative, estrange, 1 more
through Latin extrā ‘beyond’
Today it means
noun The state or quality of being idoneous.
Sources
Sources: Wiktionary, “idoneity”; the older steps come from the Wiktionary entries for Proto-Indo-European *bʰéreti, Latin fero, Latin aufero, Latin ablativus, Latin extra, Latin idoneus, Latin idoneitas. 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- / idoneity