# horologium
## English
### Alternative forms

* Horologium

### Etymology

From Latin horologium, from Ancient Greek ὡρολόγιον (hōrológion). In reference to Eastern Orthodoxy, via its Byzantine Greek development. See menologium. Doublet of horologe.

### Pronunciation

* (General American) IPA: /hɔɹəˈloʊd͡ʒiəm/, /hɔɹəˈloʊɡiəm/
* (Received Pronunciation) IPA: /hɒɹəˈləʊd͡ʒɪəm/, /hɒɹəˈləʊɡɪəm/

### Noun

horologium (plural horologiums or horologia)
* (archaic or historical) Synonym of chronometer or clock, a timekeeping device.
* (uncommon) Synonym of astronomical clock.
* (Christianity) Synonym of horologion, the book of hours in Eastern Orthodoxy and Catholicism.

#### Related terms

* horologic
* horological
* horologically
* horologist
* horology

## Latin
### Alternative forms

* ōrilegium (Late Latin, prescriptive)
* ōrolegium (Late Latin, proscribed)

### Etymology

From Ancient Greek ὡρολόγιον (hōrológion). See mēnologium.

### Pronunciation

* (Classical Latin) IPA: /hoː.roˈlo.ɡi.um/, [hoːrɔˈɫ̪ɔɡiʊ̃ˑ]
* (modern Italianate Ecclesiastical) IPA: /o.roˈlo.d͡ʒi.um/, [oroˈlɔːd͡ʒium]

### Noun

hōrologium n (genitive hōrologiī or hōrologī); second declension
* device used to measure the time of day, particularly
** sundial
** water clock
** (New Latin) clock, watch

#### Declension

Second-declension noun (neuter).
$^1$Found in older Latin (until the Augustan Age).

#### Descendants

* Czech: orloj
* Dutch: horloge, horlogie (archaic), horologie, orloge, orlogie (obsolete)
** Afrikaans: horlosie
** Negerhollands: horlooschi, holosi, holochi
*** → Virgin Islands Creole: holosi (dated)
** Skepi Creole Dutch: holósi
** → Caribbean Javanese: arloji
** → Indonesian: arloji
*** → Petjo: airlodji
** → Papiamentu: oloshi, horlosji, holósji
** → Sranan Tongo: oloisi
*** → Aukan: oloisi
*** → Kari'na: olosi
*** → Saramaccan: olóísi
*** → Trió: oroisi, joroisi
* Emilian: arlói
* English: horologium
* Esperanto: horloĝo
* Franco-Provençal: relojo
* Friulian: orloi
* Galician: reloxo
* Istriot: rilojo
* Italian: orologio
* Lombard: leroi
* Norman: hôlouoge (Jersey)
* Occitan: relòtge
* Old Catalan: relotge
** → Aragonese: reloch
** → Asturian: reló
** → Basque: erloju
** Catalan: rellotge
** → Spanish: reloj
*** Chavacano: reloj
*** → Cebuano: relo
*** → Ilocano: relo
*** → Kapampangan: relu
*** → Pangasinan: relo
*** → Portuguese: relógio
*** → Tagalog: relo
* Old French: orloge
** French: horloge
** Norman: oriloge
*** English: horologe
* Portuguese: relógio, horológio
* Romanian: orologiu
* Sardinian: arrelógiu, rellozu, arrelórgiu, rológiu
* Sicilian: raloggiu, ruloggiu, ralogiu, riloggiu, rologgiu (italianzed, misspelled)
** Maltese: arloġġ
* Venetan: rełogio
* Walloon: ôrlodje

### References

* “horologium”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “horologium”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* "horologium", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* horologium in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* “horologium”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
* horologium in Ramminger, Johann (2016 July 16 (last accessed)) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎, pre-publication website, 2005-2016
* “horologium”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin