Etymologically

Etymology and origin of the Latin word undosus

Confidence
Established
Formation
Derivation
First attested
70–19 BC Virgil More words from the 1st century BC
Ultimate origin
Latin unda
Etymology tree
inherited borrowed derived
Latin unda
Catalan ona
French onde
Italian onda
Romanian undă
Spanish onda
Latin undōsus
From the same root
Italian ondeggiare ← unda
Latin undātus ← unda
Latin undō ← unda
Latin undulātus ← unda
Romanian undos ← undă

Forms

undōsus (feminine undōsa, neuter undōsum, comparative undōsior, superlative undōsissimus); first/second-declension adjective[1]

Etymology

It is formed from Latin unda (“wave”) + -ōsus.[2][1]

Earliest recorded meaning

Virgil is the first to use it, in the Aeneid, of the sea full of waves.[2][3]

Semantic evolution

It is a poetic word, used of the sea, of the realms of the sea-nymphs, and of coastal places such as Plemyrium in Virgil.[2][4] Statius and Silius Italicus have it,[2] Solinus uses the comparative and Augustine the superlative,[4] and Ammianus Marcellinus the comparative of the adverb undōsē “in waves”.[4]

Timeline

  • 70–19 BC – Virgil uses it in the Aeneid.[2][3]
  • 25–101 AD – Silius Italicus uses it of the realms of the sea.[2][3]
  • first half of the 3rd century AD – Solinus uses the comparative.[4][3]
  • 354–430 AD – Augustine uses the superlative of torrents.[4][3]

Meanings

Adjective

  1. Full of waves, surging, billowy.[2][4]
  2. (of places) Washed by waves, lying by the sea.[2]

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
  4. ^ a b c d e f Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
Cite this entry

“Undosus.” Etymologically, 13 Nov. 2026, etymologically.com/la/undosus. Accessed 14 Nov. 2026.

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