aestus

Latin

Aestus marinus.

Alternative forms

• ēstus (Medieval Latin)

Etymology

From Proto-Italic *aissus, from Proto-Indo-European *h₂eydʰ- (“burn; fire”), with the -tus suffix from Proto-Indo-European *-tus restored via analogy, cf. aestās. Cognate with perhaps aedis, Ancient Greek αἴθω (aíthō)), Old English ād (“pyre”).

Pronunciation

• (Classical Latin) IPA^(key): /ˈae̯s.tus/, [ˈäe̯s̠t̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈes.tus/, [ˈɛst̪us]

Noun

aestus m (genitive aestūs); fourth declension

1. heat
2. fire
3. tide
4. surge of the sea
5. (figuratively) passion
6. (figuratively) hesitation

Declension

Fourth-declension noun.

	singular	plural
nominative	aestus	aestūs
genitive	aestūs	aestuum
dative	aestuī	aestibus
accusative	aestum	aestūs
ablative	aestū	aestibus
vocative	aestus	aestūs

Derived terms

• aestuālis
• aestuārium
• aestuō
• aestuōsus

Related terms

• aestās

Further reading

• “aestus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “aestus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• aestus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • ebb and flow (of tide): accessus et recessus aestuum
    
  • the ebb: decessus aestus
    
  • the alternation of tides: aestus maritimi mutuo accedentes et recedentes (N. D. 2. 53. 132)
    
  • the tide is coming in: aestus ex alto se incitat (B. G. 3.12)
    
  • when the tide begins to go down: aestu rursus minuente
    
  • to be able to bear heat and cold: aestus et frigoris patientem esse
    
  • to have a severe attack of fever: aestu et febri iactari
    
  • at high tide: aestu incitato