Etymograph

English

titer

Titer comes from French titre ‘heading, title’, and goes back to Latin titulus.

  1. Latinc. 75 BCE–200 CEtitulus1‘title of a book’
  2. Old Frenchc. 842–1400title1
  3. Frenchc. 1600–presenttitre2‘heading, title’
  4. Englishtodaytiter2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, French titre
  2. 2 Wiktionary, English titer

Lineage

  1. Latinc. 75 BCE–200 CEtitulusWiktionary, French titre‘title of a book’
  2. Old Frenchc. 842–1400titleWiktionary, French titre
  3. Frenchc. 1600–presenttitreWiktionary, English titer‘heading, title’
  4. EnglishtodaytiterWiktionary, English titer

Linked words

through Latin titulus ‘title of a book’

tittle, tilde, 4 more

Today it means

noun The concentration of a substance as determined by titration.

Sources

Sources: Wiktionary, “titer”; the older steps come from the Wiktionary entry for French titre. 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 titulus / titer