Etymograph

English

complacent

Complacent comes from Latin complacēns ‘very pleasing’, and goes back to placēre.

  1. Latinc. 75 BCE–200 CEplacēre1‘to please’
  2. Latinc. 75 BCE–200 CEcomplacēre1‘to please at the same time, be very pleasing’next step skipped: Latin complaceō
  3. Latinc. 75 BCE–200 CEcomplacēns1‘very pleasing’present participle of complacēre
  4. Englishearliest quotation 2021complacent1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English complacent
  2. Earliest quotation in Wiktionary’s entry: 2021, Phil McNulty, England 2-0 Germany: “England will feel confident but not complacent against Ukraine,…”.

Lineage

  1. Latinc. 75 BCE–200 CEplacēreWiktionary, English complacent‘to please’
  2. Latinc. 75 BCE–200 CEcomplacēreWiktionary, English complacent‘to please at the same time, be very pleasing’next step skipped: Latin complaceō
  3. Latinc. 75 BCE–200 CEcomplacēnsWiktionary, English complacent‘very pleasing’present participle of complacēre
  4. Englishearliest quotation 2021complacentWiktionary, English complacent. Earliest quotation in Wiktionary’s entry: 2021, Phil McNulty, England 2-0 Germany: “England will feel confident but not complacent against Ukraine,…”

Linked words

through Latin placēre ‘to please’

plea, 1 more

Today it means

adj Uncritically satisfied with oneself or one's achievements; smug.

Sources

Sources: Wiktionary, “complacent”. 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 / Latin placēre / complacent

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