Etymograph

English

partisan

Partisan comes from French partisan ‘partisan, partial’, from Italian partigiano ‘defender of a party’, and perhaps ultimately from Proto-Indo-European *perh₃- ‘to grant’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*perh₃-1‘to grant’uncertain
  2. Proto-Italicc. 1500–700 BCE*partim2‘part’reconstructed
  3. Latinc. 75 BCE–200 CEpartem2
  4. Italianc. 1300–presentparte3‘part’
  5. Italianc. 1300–presentpartigiano3‘defender of a party’
  6. Frenchc. 1600–presentpartisan3‘partisan, partial’
  7. Englishearliest quotation 1992partisan3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Proto-Italic *partis
  2. 2 Wiktionary, Italian parte
  3. 3 Wiktionary, English partisan
  4. Earliest quotation in Wiktionary’s entry: 1992, Thomas R. Pegram: “"Strong partisans of neither party, Indiana farmers failed to…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*perh₃-Wiktionary, Proto-Italic *partis‘to grant’uncertain
  2. Proto-Italicc. 1500–700 BCE*partimWiktionary, Italian parte‘part’reconstructed
  3. Latinc. 75 BCE–200 CEpartemWiktionary, Italian parte
  4. Italianc. 1300–presentparteWiktionary, English partisan‘part’
  5. Italianc. 1300–presentpartigianoWiktionary, English partisan‘defender of a party’
  6. Frenchc. 1600–presentpartisanWiktionary, English partisan‘partisan, partial’
  7. Englishearliest quotation 1992partisanWiktionary, English partisan. Earliest quotation in Wiktionary’s entry: 1992, Thomas R. Pegram: “"Strong partisans of neither party, Indiana farmers failed to…”

The story

Attested in English from the late 15th century in the noun sense of "party adherent", and in related adjective senses from the 16th century. The "guerrilla fighter" sense influenced by Serbo-Croatian partizan, Russian партиза́н (partizán), from the same source. The sense of "guerrilla fighter" is from c. 1690.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *perh₃- ‘to grant’

party, empire, experiment, expert, imperial, repair, preparation, parental, para, parcel, depart, parity, imperium, imperious, impart, pare, rampart, repartee, parter, 40 more

Another origin of partisan

  1. Italianc. 1300–presentparte‘group, faction’
  2. Italianc. 1300–presentpartigianoas partigiana
  3. Middle Frenchc. 1400–1600partizaine
  4. Frenchc. 1600–presentpartizaine
  5. Englishtodaypartisan

From French partizaine, from Middle French partizaine, partisanne etc., from Italian partigiana, related to Etymology 1 above (apparently because it was seen as a typical weapon of such forces).

Today it means

noun An adherent to a party or faction.

Sources

Sources: Wiktionary, “partisan”; the older steps come from the Wiktionary entries for Proto-Italic *partis, Italian parte. 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 *perh₃- / partisan