Etymograph

English

ug

Ug comes from Old Norse uggr ‘fear, apprehension, dread’, from Proto-Indo-European *h₂égʰos ‘distress’, and perhaps ultimately from *h₂egʰ- ‘to be upset, afraid’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂egʰ-1‘to be upset, afraid’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₂égʰos1‘distress’uncertain
  3. Proto-Germanicc. 500 BCE–200 CE*agaz2‘fear, dread’uncertain
  4. Old Norsec. 800–1350uggr3‘fear, apprehension, dread’
  5. Middle Englishc. 1150–1500ugge3
  6. Englishtodayug3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Germanic *agaz
  2. 2 Wiktionary, Old Norse uggr
  3. 3 Wiktionary, English ug

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*h₂egʰ-Wiktionary, Proto-Germanic *agaz‘to be upset, afraid’uncertain
  2. Proto-Indo-Europeanc. 4500–2500 BCE*h₂égʰosWiktionary, Proto-Germanic *agaz‘distress’uncertain
  3. Proto-Germanicc. 500 BCE–200 CE*agazWiktionary, Old Norse uggr‘fear, dread’uncertain
  4. Old Norsec. 800–1350uggrWiktionary, English ug‘fear, apprehension, dread’
  5. Middle Englishc. 1150–1500uggeWiktionary, English ug
  6. EnglishtodayugWiktionary, English ug

The story

From Middle English ugge, from Old Norse uggr (‘fear, apprehension, dread’), related to Old Norse ógn (‘terror, threat, dispute’) and agi (‘terror, strife, fear, punishment’).

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *h₂egʰ- ‘to be upset, afraid’

ail

through Proto-Germanic *agaz ‘fear, dread’

awe

through Old Norse uggr ‘fear, apprehension, dread’

ugly

Another origin of ug

  1. Old Norsec. 800–1350uggi‘prickle on fin’
  2. Icelandicmodernuggi‘fin’
  3. Englishtodayug

Today it means

noun A feeling of fear, horror or disgust.

Sources

Sources: Wiktionary, “ug”; the older steps come from the Wiktionary entries for Proto-Germanic *agaz, Old Norse uggr. 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 *h₂egʰ- / ug