Etymograph

English

castellan

Castellan comes from Latin castellanus ‘pertaining to a castle, an occupant of a…’, from castrum ‘fort’, and ultimately from Proto-Indo-European *ḱes- ‘to cut’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱes-1‘to cut’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ḱstrom1reconstructed
  3. Proto-Italicc. 1500–700 BCE*kastrom1‘part, share of something’reconstructed
  4. Latinc. 75 BCE–200 CEcastrum1‘fort’
  5. Latinc. 75 BCE–200 CEcastellum2‘castle, fort, citadel, fortress, stronghold’
  6. Latinc. 75 BCE–200 CEcastellanus2‘pertaining to a castle, an occupant of a castle, or a governor of a castle’
  7. Old Frenchc. 842–1400castelain2
  8. Middle Englishc. 1150–1500castelain2
  9. Englishearliest quotation 1851castellan2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin castellum
  2. 2 Wiktionary, English castellan
  3. Earliest quotation in Wiktionary’s entry: 1851, Luther Calvin Saxton, Fall of Poland: “The inferior secular senators are ninety-two, containing the ten…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ḱes-Wiktionary, Latin castellum‘to cut’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*ḱstromWiktionary, Latin castellumreconstructed
  3. Proto-Italicc. 1500–700 BCE*kastromWiktionary, Latin castellum‘part, share of something’reconstructed
  4. Latinc. 75 BCE–200 CEcastrumWiktionary, Latin castellum‘fort’
  5. Latinc. 75 BCE–200 CEcastellumWiktionary, English castellan‘castle, fort, citadel, fortress, stronghold’
  6. Latinc. 75 BCE–200 CEcastellanusWiktionary, English castellan‘pertaining to a castle, an occupant of a castle, or a governor of a castle’
  7. Old Frenchc. 842–1400castelainWiktionary, English castellan
  8. Middle Englishc. 1150–1500castelainWiktionary, English castellan
  9. Englishearliest quotation 1851castellanWiktionary, English castellan. Earliest quotation in Wiktionary’s entry: 1851, Luther Calvin Saxton, Fall of Poland: “The inferior secular senators are ninety-two, containing the ten…”

Equivalent to castel + -an

Linked words

through Proto-Indo-European *ḱes- ‘to cut’

chastity, caries, chaste, chastise, cassation, 23 more

through Proto-Italic *kastrom ‘part, share of something’

castrate, 19 more

through Latin castrum ‘fort’

alcazar, 20 more

through Latin castellum ‘castle, fort, citadel, fortress, stronghold’

castle, cashel, 17 more

Today it means

noun A feudal lord with a fortified manor.

Sources

Sources: Wiktionary, “castellan”; the older steps come from the Wiktionary entry for Latin castellum. 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 *ḱes- / castellan

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