sidus

Esperanto

Verb

sidus

1. conditional of sidi

---

Gothic

Romanization

sidus

1. Romanization of 𐍃𐌹𐌳𐌿𐍃

---

Ido

Verb

sidus

1. conditional of sidar

---

Latin

Etymology

Compare Ancient Greek σίδηρος (sídēros). Some derive this from Proto-Indo-European *sweid-, whence Latin sūdor, Greek ἱδρώς (hidrṓs), English sweat.

Pronunciation

• (Classical) IPA^(key): /ˈsiː.dus/, [ˈs̠iːd̪ʊs̠]
• (Ecclesiastical) IPA^(key): /ˈsi.dus/, [ˈsiːd̪us]

Noun

sīdus n (genitive sīderis); third declension

1. constellation, asterism
2. a star

   Synonyms: astēr, astrum, stēlla

3. (poetic) the night sky
4. (figuratively) a season (of the year)

Declension

Third-declension noun (neuter, imparisyllabic non-i-stem).

Case	Singular	Plural
Nominative	sīdus	sīdera
Genitive	sīderis	sīderum
Dative	sīderī	sīderibus
Accusative	sīdus	sīdera
Ablative	sīdere	sīderibus
Vocative	sīdus	sīdera

Derived terms

• cōnsīderō
• dēsīderō
• sīderālis
• sīdereus
• sīderor

See also

• stella
• astrum

References

• sidus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• sidus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• sidus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • a star-light night: nox sideribus illustris
    
  • the fixed stars: sidera certis locis infixa
    
  • astronomy: astrologia (pure Latin sidera, caelestia)
    
  • an astronomer: spectator siderum, rerum caelestium or astrologus
    
• sidus in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• sidus in William Smith, editor (1854, 1857) A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly