English
titer
Titer comes from French titre ‘heading, title’, and goes back to Latin titulus.
- Latinc. 75 BCE–200 CEtitulus1‘title of a book’
- Old Frenchc. 842–1400title1
- Frenchc. 1600–presenttitre2‘heading, title’
- Englishtodaytiter2
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, French titre
- 2 Wiktionary, English titer
Lineage
- Latinc. 75 BCE–200 CEtitulusWiktionary, French titre‘title of a book’
- Old Frenchc. 842–1400titleWiktionary, French titre
- Frenchc. 1600–presenttitreWiktionary, English titer‘heading, title’
- EnglishtodaytiterWiktionary, English titer
Linked words
through Latin titulus ‘title of a book’
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