Etymograph

English

territorial

Territorial comes from Latin territorium ‘territory’, from terra ‘land’, and ultimately from Proto-Indo-European *ters- ‘dry’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ters-1‘dry’reconstructed
  2. Proto-Italicc. 1500–700 BCE*terzā1‘earth’reconstructed
  3. Latinc. 75 BCE–200 CEterra2‘land’
  4. Latinc. 75 BCE–200 CEterritorium3‘territory’
  5. Late Latinc. 200–600 CEterritorialis3
  6. Englishearliest quotation 1918territorial3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin terra
  2. 2 Wiktionary, Latin territorium
  3. 3 Wiktionary, English territorial
  4. Earliest quotation in Wiktionary’s entry: 1918, Woodrow Wilson, Fourteen Points: “Rumania, Serbia, and Montenegro should be evacuated ; occupied…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*ters-Wiktionary, Latin terra‘dry’reconstructed
  2. Proto-Italicc. 1500–700 BCE*terzāWiktionary, Latin terra‘earth’reconstructed
  3. Latinc. 75 BCE–200 CEterraWiktionary, Latin territorium‘land’
  4. Latinc. 75 BCE–200 CEterritoriumWiktionary, English territorial‘territory’
  5. Late Latinc. 200–600 CEterritorialisWiktionary, English territorial
  6. Englishearliest quotation 1918territorialWiktionary, English territorial. Earliest quotation in Wiktionary’s entry: 1918, Woodrow Wilson, Fourteen Points: “Rumania, Serbia, and Montenegro should be evacuated ; occupied…”

Formed from territory + -al

Proto-Indo-European *ters- ‘dry’

…

Proto-Italic *tersā ‘earth’

Latin terra ‘dry land’

Latin territōrium ‘territory’

Middle English territorie

English territory

Linked words

through Proto-Indo-European *ters- ‘dry’

test, inter, toast, thirst, torrent, terrestrial, torrid, 43 more

through Proto-Italic *terzā ‘earth’

terrarium, terrazzo, 16 more

through Latin terra ‘land’

terrain, terrace, terra, fossa, fosse, 18 more

through Latin territorium ‘territory’

terroir, 1 more

Today it means

adj Of, relating to, or restricted to a specific geographic area, or territory.

Sources

Sources: Wiktionary, “territorial”; the older steps come from the Wiktionary entries for Latin terra, Latin territorium. 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 *ters- / territorial