Etymograph

English

if

If comes from Middle English if ‘if, on condition that’, from Proto-Germanic *jabai ‘when, if’, and ultimately from *jabą ‘condition, stipulation, hesitation, doubt’.

  1. Proto-Germanicc. 500 BCE–200 CE*jabą1‘condition’reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*jabai2‘when’reconstructeddative case of *jabą
  3. Proto-West Germanicc. 200–500 CE*jabu2reconstructed
  4. Old Englishc. 450–1150ġif2
  5. Middle Englishc. 1150–1500if2‘if’
  6. Englishearliest quotation 1596if2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Germanic *jabai
  2. 2 Wiktionary, English if
  3. Earliest quotation in Wiktionary’s entry: 1596, Edmund Spenser, Book I: “O what of Gods then boots it to be…”.

Lineage

  1. Proto-Germanicc. 500 BCE–200 CE*jabąWiktionary, Proto-Germanic *jabai‘condition’reconstructed
  2. Proto-Germanicc. 500 BCE–200 CE*jabaiWiktionary, English if‘when’reconstructeddative case of *jabą
  3. Proto-West Germanicc. 200–500 CE*jabuWiktionary, English ifreconstructed
  4. Old Englishc. 450–1150ġifWiktionary, English if
  5. Middle Englishc. 1150–1500ifWiktionary, English if‘if’
  6. Englishearliest quotation 1596ifWiktionary, English if. Earliest quotation in Wiktionary’s entry: 1596, Edmund Spenser, Book I: “O what of Gods then boots it to be…”

Word family

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

through Proto-Germanic *ja ‘yes’

  • ya ← ja ← ja ← ja
  • yo ← ye ← ġēa ← *jā
  • yea ← ye ← ġēa ← *jā
  • ja

1 more relative in the full family tree

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Today it means

conj Supposing that, assuming that, in the circumstances that; suppositive used to introduce a condition that may be (or prove to be) either true or false.

Sources

Sources: Wiktionary, “if”; the older steps come from the Wiktionary entry for Proto-Germanic *jabai. 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-Germanic *jabą / if