Etymograph

English

principial

Principial may come from Latin prī̆ncipiālis ‘original’, from prī̆nceps ‘first, foremost’, and ultimately from Proto-Italic *prīzmokaps.

  1. Proto-Italicc. 1500–700 BCE*prīzmokaps1uncertain
  2. Latinc. 75 BCE–200 CEprī̆nceps2‘first, foremost’uncertain
  3. Latinc. 75 BCE–200 CEprī̆ncipium3uncertain
  4. Latinc. 75 BCE–200 CEprī̆ncipiālis4‘original’uncertain
  5. Englishearliest quotation 1620principial4

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin princeps
  2. 2 Wiktionary, Latin principium
  3. 3 Wiktionary, Latin principialis
  4. 4 Wiktionary, English principial
  5. Earliest quotation in Wiktionary’s entry: 1620, Francis Bacon: “On account of heat being kindled by the attrition…”.

Lineage

  1. Proto-Italicc. 1500–700 BCE*prīzmokapsWiktionary, Latin princepsuncertain
  2. Latinc. 75 BCE–200 CEprī̆ncepsWiktionary, Latin principium‘first, foremost’uncertain
  3. Latinc. 75 BCE–200 CEprī̆ncipiumWiktionary, Latin principialisuncertain
  4. Latinc. 75 BCE–200 CEprī̆ncipiālisWiktionary, English principial‘original’uncertain
  5. Englishearliest quotation 1620principialWiktionary, English principial. Earliest quotation in Wiktionary’s entry: 1620, Francis Bacon: “On account of heat being kindled by the attrition…”

The story

Probably a learned borrowing from Latin prī̆ncipiālis.

Full etymology on Wiktionary

Linked words

through Latin prī̆nceps ‘first, foremost’

princesse, 9 more

Today it means

adj Elementary; fundamental.

Sources

Sources: Wiktionary, “principial”; the older steps come from the Wiktionary entries for Latin princeps, Latin principium, Latin principialis. 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-Italic *prīzmokaps / principial

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