Etymologically

Etymology and origin of the Latin word malacia

Confidence
Established
Formation
Borrowing
First attested
c. 50 BC, Caesar
Borrowed from
Ancient Greek μαλακία
Ultimate origin
Ancient Greek μαλακία

Pronunciation

  • Classical: [maˈɫa.ki.a][1]
  • Ecclesiastical: [maˈlaː.t͡ʃi.a][1]

Forms

malacia f (genitive malaciae); first declension[1]

Etymology

It is borrowed from Ancient Greek μαλακία (malakía, “softness”),[2][3][1][4] from μαλακός (malakós, “soft”).[1][4] Köbler connects the Greek adjective with Proto-Indo-European *mel- (“to crush, grind”).[4]

Earliest recorded meaning

Its first author is Caesar.[2][3] In the sea battle against the Veneti in the Gallic War a calm suddenly fell, so complete that the enemy ships could not move from the spot.[2][3]

Semantic evolution

From the dead calm of the sea Seneca took a figure: to lie in undisturbed leisure is not tranquillity but a stagnant calm.[3] Medical writers used it for a sickness of the stomach, loss of appetite and nausea;[2][3][1] Pliny the Elder mentions it in pregnant women.[2][3][1] The TLL notes that it is often written ⟨malatia⟩ and confused with malitia.[5]

Wiktionary lists a Vulgar Latin *bonacia among its derivatives.[1]

Timeline

  • c. 50 BC – Caesar uses it of a dead calm at sea.[2][3][4]
  • 4 BC–65 AD – Seneca uses it figuratively of stagnant leisure.[3][4]
  • 23/24–79 AD – Pliny the Elder uses it of nausea in pregnancy.[2][4]

Meanings

Noun

  1. A dead calm at sea;[2][3] (figurative) stagnation, inactivity.[3]
  2. (medicine) Nausea, loss of appetite.[2][3][1]
  • malacus

Usage notes

A separate neuter plural malacia, from Greek, appears in Eustathius' Latin version of Basil's Hexaemeron as the name of sea creatures with soft flesh.[5][4]

References

  1. ^ a b c d e f g h i Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d e f g h i j k Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  4. ^ a b c d e f g Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  5. ^ a b Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften

Related etymologies

Cite this entry

“Malacia.” Etymologically, 23 Oct. 2026, etymologically.com/la/malacia. Accessed 23 Oct. 2026.

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