English
unfold
Unfold comes from Old English unfealdan ‘to unfold’, from fealdan ‘to fold’, and ultimately from Proto-Indo-European *pel-.
- Proto-Indo-Europeanc. 4500–2500 BCE*pel-1‘to fold’reconstructed
- Proto-Germanicc. 500 BCE–200 CE*falþaną2‘to fold’reconstructed
- Proto-West Germanicc. 200–500 CE*falþan2‘to fold’reconstructed
- Old Englishc. 450–1150fealdan3‘to fold’
- Old Englishc. 450–1150unfealdan4‘to unfold’
- Middle Englishc. 1150–1500unfolden4
- Englishearliest quotation c. 1599–1602unfold4
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Proto-Germanic *falþaną
- 2 Wiktionary, Old English fealdan
- 3 Wiktionary, Old English unfealdan
- 4 Wiktionary, English unfold
- Earliest quotation in Wiktionary’s entry: c. 1599–1602, William Shakespeare, The Tragedie of Hamlet, Prince of Denmarke: “Pity me not, but lend thy serious hearing To…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*pel-Wiktionary, Proto-Germanic *falþaną‘to fold’reconstructed
- Proto-Germanicc. 500 BCE–200 CE*falþanąWiktionary, Old English fealdan‘to fold’reconstructed
- Proto-West Germanicc. 200–500 CE*falþanWiktionary, Old English fealdan‘to fold’reconstructed
- Old Englishc. 450–1150fealdanWiktionary, Old English unfealdan‘to fold’
- Old Englishc. 450–1150unfealdanWiktionary, English unfold‘to unfold’
- Middle Englishc. 1150–1500unfoldenWiktionary, English unfold
- Englishearliest quotation c. 1599–1602unfoldWiktionary, English unfold. Earliest quotation in Wiktionary’s entry: c. 1599–1602, William Shakespeare, The Tragedie of Hamlet, Prince of Denmarke: “Pity me not, but lend thy serious hearing To…”
Linked words
through Proto-Indo-European *pel- ‘to fold’
film, felt, simple, simply, push, filter, powder, complain, pulse, pillow, repeal, flaw, palate, compulsive, expel, pollen, repel, palpable, palladium, propel, palatable, pall, pelt, wallow, peloton, tuple, polemic, palatal, muffle, pollinate, apoplexy, peplum, pulver, palp, pillion, interpolate, 63 more
Today it means
verb To undo a folding.
Sources
Sources: Wiktionary, “unfold”; the older steps come from the Wiktionary entries for Proto-Germanic *falþaną, Old English fealdan, Old English unfealdan. 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 *pel- / unfold