ostium

See also: Ostium

English

Etymology

Etymology tree

Latin ōstiumbor.

English ostium

Borrowed from Latin ōstium.

Noun

ostium (plural ostia)

1. A small opening or orifice, as in a body organ or passage.
2. Any of the small openings or pores in a sponge.
3. The mouth of a river.

Derived terms

• ostial

Translations

small opening or orifice

• German: Ostium n

Anagrams

• timous

Latin

Etymology

Formed from or cognate with ōs (“mouth”).

Pronunciation

• (Classical Latin) IPA^(key): [ˈoːs.ti.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈɔs.ti.um]

Noun

ōstium n (genitive ōstiī or ōstī); second declension

1. door
2. entrance
3. estuary
4. mouth (of a river)

Declension

Second-declension noun (neuter).

	singular	plural
nominative	ōstium	ōstia
genitive	ōstiī ōstī1	ōstiōrum
dative	ōstiō	ōstiīs
accusative	ōstium	ōstia
ablative	ōstiō	ōstiīs
vocative	ōstium	ōstia

¹Found in older Latin (until the Augustan Age).

Synonyms

• (door): iānua

Derived terms

• ōstiātim

Related terms

• ōstiārius
• ōstiolum

Descendants

(Note: all forms descend from a Late variant ūstium.)

• Balkano-Romance: f
  • Aromanian: ushã, ushi
  • Istro-Romanian: ușă
  • Romanian: ușă
• Italo-Romance: m
  • Italian: uscio
• Rhaeto-Romance: m
  • Friulian: us
  • Ladin: usc
  • Romansh: isch, esch, üsch
• Gallo-Italic: m
  • Romagnol: ós
• Gallo-Romance: m
  • Old French: huis (see there for further descendants)
• Ibero-Romance: m
  • Old Spanish: uço
    • Spanish: uzo
• Borrowings:
  • → English: ostium
  • → Italian: ostio
  • → Portuguese: óstio
  • → Spanish: ostio
• Vulgar Latin: *ante ostianum
  • Asturian: antoxana

References

• “ostium”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “ostium”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "ostium", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “ostium”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to knock at the door: ostium, fores pulsare
    
  • to open, shut the door: ostium, fores aperire, claudere
    
• “ostium”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• “ostium”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin