Etymograph

English

gap

Gap comes from Old Norse gap ‘chasm’, presumably from gapa ‘to gape’, perhaps ultimately from Proto-Indo-European *ǵʰeh₂- ‘to gape’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰeh₂-1‘to open wide, gape’uncertain
  2. Proto-Germanicc. 500 BCE–200 CE*gapōną1‘to gape’uncertain
  3. Old Norsec. 800–1350gapa1‘to gape, scream’uncertain
  4. Old Norsec. 800–1350gap1‘an empty space, chasm’
  5. Middle Englishc. 1150–1500gap1‘gap, opening’
  6. Englishearliest quotation 2007gap1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English gap
  2. Earliest quotation in Wiktionary’s entry: 2007, 2006, Jeanne C. Stein: “The robe gaps open at the waist, breasts spilling…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ǵʰeh₂-Wiktionary, English gap‘to open wide, gape’uncertain
  2. Proto-Germanicc. 500 BCE–200 CE*gapōnąWiktionary, English gap‘to gape’uncertain
  3. Old Norsec. 800–1350gapaWiktionary, English gap‘to gape, scream’uncertain
  4. Old Norsec. 800–1350gapWiktionary, English gap‘an empty space, chasm’
  5. Middle Englishc. 1150–1500gapWiktionary, English gap‘gap, opening’
  6. Englishearliest quotation 2007gapWiktionary, English gap. Earliest quotation in Wiktionary’s entry: 2007, 2006, Jeanne C. Stein: “The robe gaps open at the waist, breasts spilling…”

Word family

English words that share an ancestor with gap, grouped by the ancestor they share, most familiar first.

through Proto-Indo-European *ǵʰeh₂- ‘to open wide, gape’

  • goal ← gol ← *gāl ← *gailu ← *gailō
  • gas ← χάος ← χαῦνος ← *ǵʰeh₂-no-s
  • chaos ← χάος ← χαῦνος ← *ǵʰeh₂-no-s
  • gum ← gom ← gōma ← *gōmō ← *gaumô
  • chaotic ← chaoticus ← chaos ← χάος ← χαῦνος
  • gill ← gille ← gil ← *gilją
  • hiatus ← hiō ← *hiāō ← *ǵʰh₂iéh₂yeti
  • gab ← gabb ← *gabbōną

through Old Norse gapa ‘to gape, scream’

10 more relatives in the full family tree

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Today it means

noun An opening in anything, made by breaking or parting.

Sources

Sources: Wiktionary, “gap”. 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 *ǵʰeh₂- / gap