English
etiological
Etiological comes from Latin aetiologia, from Ancient Greek αἰτῐολογῐ́ᾱ ‘giving the cause of something’, and ultimately from Proto-Indo-European *leǵ- ‘to gather, collect, with derivatives meaning…’.
- Proto-Indo-Europeanc. 4500–2500 BCE*leǵ-1‘to gather, collect, with derivatives meaning to speak by carefully selecting one's words’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*lóǵos1reconstructed
- Proto-Hellenicc. 2200–1600 BCE*lógos1reconstructed
- Ancient Greekc. 800–300 BCEλόγος1lógos‘that which is said: word, sentence, speech, story, debate, utterance, argument’
- Ancient Greekc. 800–300 BCEαἰτῐολογῐ́ᾱ1aitĭologĭ́ā‘giving the cause of something’
- Latinc. 75 BCE–200 CEaetiologia1
- English1500–presentetiology1
- Englishtodayetiological1
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, English etiological
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*leǵ-Wiktionary, English etiological‘to gather, collect, with derivatives meaning to speak by carefully selecting one's words’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*lóǵosWiktionary, English etiologicalreconstructed
- Proto-Hellenicc. 2200–1600 BCE*lógosWiktionary, English etiologicalreconstructed
- Ancient Greekc. 800–300 BCEλόγοςWiktionary, English etiologicallógos‘that which is said: word, sentence, speech, story, debate, utterance, argument’
- Ancient Greekc. 800–300 BCEαἰτῐολογῐ́ᾱWiktionary, English etiologicalaitĭologĭ́ā‘giving the cause of something’
- Latinc. 75 BCE–200 CEaetiologiaWiktionary, English etiological
- English1500–presentetiologyWiktionary, English etiological
- EnglishtodayetiologicalWiktionary, English etiological
A compound of etiology + -ical
Proto-Indo-European *leǵ- ‘to gather, collect, with derivatives meaning…’
…
Proto-Hellenic *lógos
Ancient Greek λόγος ‘that which is said: word, sentence, speech,…’
Ancient Greek αἰτῐολογῐ́ᾱ ‘giving the cause of something’
Latin aetiologia
English etiology
Linked words
through Proto-Indo-European *leǵ- ‘to gather, collect, with derivatives meaning…’
election, technology, collection, lesson, select, elite, collect, eligible, elect, elegant, coil, negligence, legion, catalogue, negligent, negligible, leach, diligent, astrology, cull, lexicon, epilogue, cosmology, lexical, lignite, lexis, lignin, alexia, gynecologist, legation, dialectic, ineligibility, dialogic, 149 more
through Proto-Hellenic *lógos
archaeological, pathological, etymology, homologous, pathophysiology, psychopathology, astrological, neurophysiology, histopathology, bacteriological, 101 more
through Ancient Greek λόγος ‘that which is said: word, sentence, speech,…’
logic, apology, trilogy, terminology, analogy, sociology, logos, pathology, physiology, monologue, prologue, eulogy, archaeologist, pathologist, epistemology, entomology, logistic, bacteriology, apologia, syllogism, bacteriologist, 110 more
Today it means
adj Relating to an etiology
Sources
Sources: Wiktionary, “etiological”. 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 *leǵ- / etiological