Etymograph

English

anceps

Anceps comes from Latin anceps ‘double-headed, having two heads’, from ambo ‘both’, and ultimately from Proto-Indo-European *kap- ‘head’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kap-1‘head’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*káput2‘head’reconstructed
  3. Proto-Italicc. 1500–700 BCE*kaput2‘head’reconstructed
  4. Latinc. 75 BCE–200 CEcaput3‘head’
  5. Latinc. 75 BCE–200 CEambo3‘both’
  6. Latinc. 75 BCE–200 CEanceps4‘double-headed, having two heads’literally ‘double-headed’
  7. Englishtodayanceps4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Indo-European *káput
  2. 2 Wiktionary, Latin caput
  3. 3 Wiktionary, Latin anceps
  4. 4 Wiktionary, English anceps

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*kap-Wiktionary, Proto-Indo-European *káput‘head’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*káputWiktionary, Latin caput‘head’reconstructed
  3. Proto-Italicc. 1500–700 BCE*kaputWiktionary, Latin caput‘head’reconstructed
  4. Latinc. 75 BCE–200 CEcaputWiktionary, Latin anceps‘head’
  5. Latinc. 75 BCE–200 CEamboWiktionary, Latin anceps‘both’
  6. Latinc. 75 BCE–200 CEancepsWiktionary, English anceps‘double-headed, having two heads’literally ‘double-headed’
  7. EnglishtodayancepsWiktionary, English anceps

The story

Borrowed from Latin anceps (literally “double-headed”).

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *kap- ‘head’

had, case, heavy, cash, catch, capacity, behavior, receive, capable, achieve, cable, heavily, except, chase, capture, accept, recipe, occupation, haven, behave, recipient, reception, perception, hawk, caption, captive, anticipation, captivity, anticipate, cater, chassis, capsule, cassette, susceptible, deception, casket, deceive, conceive, deceit, deceptive, 132 more

through Proto-Indo-European *káput ‘head’

head, 58 more

through Proto-Italic *kaput ‘head’

capitalism, capitalize, capote, escapade, capitan, capitaine, 59 more

through Latin caput ‘head’

capital, captain, chapter, escape, cape, chef, cattle, cabin, chapel, capitol, capita, precipitation, chaplain, cad, mischief, mischievous, capillary, chieftain, precipitate, capo, occipital, capa, caddie, precipitous, chattel, capitulate, cabana, capuchin, scamper, scamp, chabot, jefe, dishevelled, kaput, caput, chaperon, cabochon, 67 more

through Latin ambo ‘both’

ambo, 2 more

Today it means

noun A syllable that can be either short or long.

Sources

Sources: Wiktionary, “anceps”; the older steps come from the Wiktionary entries for Proto-Indo-European *káput, Latin caput, Latin anceps. 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 *kap- / anceps