Etymograph

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…’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*leǵ-1‘to gather, collect, with derivatives meaning to speak by carefully selecting one's words’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*lóǵos1reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*lógos1reconstructed
  4. Ancient Greekc. 800–300 BCEλόγος1lógos‘that which is said: word, sentence, speech, story, debate, utterance, argument’
  5. Ancient Greekc. 800–300 BCEαἰτῐολογῐ́ᾱ1aitĭologĭ́ā‘giving the cause of something’
  6. Latinc. 75 BCE–200 CEaetiologia1
  7. English1500–presentetiology1
  8. Englishtodayetiological1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English etiological

Lineage

  1. 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
  2. Proto-Indo-Europeanc. 4500–2500 BCE*lóǵosWiktionary, English etiologicalreconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*lógosWiktionary, English etiologicalreconstructed
  4. Ancient Greekc. 800–300 BCEλόγοςWiktionary, English etiologicallógos‘that which is said: word, sentence, speech, story, debate, utterance, argument’
  5. Ancient Greekc. 800–300 BCEαἰτῐολογῐ́ᾱWiktionary, English etiologicalaitĭologĭ́ā‘giving the cause of something’
  6. Latinc. 75 BCE–200 CEaetiologiaWiktionary, English etiological
  7. English1500–presentetiologyWiktionary, English etiological
  8. 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