English
horarium
Horarium comes from Latin hōrārium ‘dial, clock’, from hōra ‘time’, and perhaps ultimately from Proto-Indo-European *(H)yeh₁- ‘to throw’.
- Proto-Indo-Europeanc. 4500–2500 BCE*(H)yeh₁-1‘to throw’uncertain
- Proto-Indo-Europeanc. 4500–2500 BCE*yóh₁r̥1‘year’reconstructed
- Ancient Greekc. 800–300 BCEὥρᾱ1hṓrā‘any defined period of time’
- Latinc. 75 BCE–200 CEhōra1‘time’
- Latinc. 75 BCE–200 CEhōrārium2‘dial, clock’
- Englishearliest quotation 2020horarium2
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Latin horarium
- 2 Wiktionary, English horarium
- Earliest quotation in Wiktionary’s entry: 2020, Carmen M. Mangion: “Pre-conciliar changes to the horarium or any entrenched practices…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*(H)yeh₁-Wiktionary, Latin horarium‘to throw’uncertain
- Proto-Indo-Europeanc. 4500–2500 BCE*yóh₁r̥Wiktionary, Latin horarium‘year’reconstructed
- Ancient Greekc. 800–300 BCEὥρᾱWiktionary, Latin horariumhṓrā‘any defined period of time’
- Latinc. 75 BCE–200 CEhōraWiktionary, Latin horarium‘time’
- Latinc. 75 BCE–200 CEhōrāriumWiktionary, English horarium‘dial, clock’
- Englishearliest quotation 2020horariumWiktionary, English horarium. Earliest quotation in Wiktionary’s entry: 2020, Carmen M. Mangion: “Pre-conciliar changes to the horarium or any entrenched practices…”
Linked words
through Proto-Indo-European *(H)yeh₁- ‘to throw’
project, disease, object, ease, jet, adjacent, injection, jess, inject, conjecture, trajectory, catheter, gist, ejection, jetty, abject, eject, ejaculation, enema, ejaculate, jettison, jut, subjection, iambic, interject, joist, jetsam, 41 more
through Proto-Indo-European *yóh₁r̥ ‘year’
through Latin hōra ‘time’
Today it means
noun The daily schedule of a religious house or seminary.
Sources
Sources: Wiktionary, “horarium”; the older steps come from the Wiktionary entry for Latin horarium. 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 *(H)yeh₁- / horarium