LATIN DICTIONARYLexicon Latīnum
adverb

subdiū

subdiū (comparative subdiūtius, superlative subdiūtissimē)
Classical[ˈsʊb.di.uː]Ecclesiastical[ˈsub.di.u]

Meaning

  1. under an open sky
    sub diu splendor aquai poniturthe splendor of water is laid beneath an open skyc. 99 BCE – 55 BCE, Lucretius, De rerum natura 4.211–212
    Media vero spatia quae erunt subdiu inter porticusThe middle space which are placed beneath an open sky between the colonnadesc. 80 BCE – 15 BCE, Vitruvius, De Architectura 5.5

sub-diū, adv.,
I. by day, Plaut. Most. 3, 2, 78.

Origins

  1. Proto-Indo-European*upó
  2. Proto-Italic*supo
  3. Latinsubdiū

Latin sub- Proto-Indo-European *dyew- Proto-Indo-European *-s Proto-Indo-European *dyḗws Proto-Italic *djowe ▲ Latin diēsinflu.? Latin diū Latin subdiū From sub- + diū.

Quick answers

What does subdiū mean in Latin?
subdiū, a adverb, means “under an open sky”.
How do you pronounce subdiū?
In classical Latin, [ˈsʊb.di.uː]; in ecclesiastical (church) Latin, [ˈsub.di.u].
Where does subdiū come from?
Proto-Indo-European *upó → Proto-Italic *supo → Latin subdiū.