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English word vacuum comes from Proto-Indo-European *h₁weh₂-, Proto-Indo-European *ewə-
*h₁weh₂- (Proto-Indo-European)
*ewə- (Proto-Indo-European)
to lack; empty
*h₁uh₂-ko- (Proto-Indo-European)
*h₁uh₂-ko-wo- (Proto-Indo-European)
*wakāō (Proto-Italic)
*wakowos (Proto-Italic)
vaco (Latin)
I am empty, void. I am free to attend, have time, am not under other obligation. I am idle, at leisure. I am unoccupied, vacant.
vacuus (Latin)
[of time] free, unoccupied. Devoid or free of, without. Empty, vacant, unoccupied.
vacuum (English)
(intransitive) To use a vacuum cleaner.. (transitive) To clean (something) with a vacuum cleaner.. (transitive, databases) To optimise a database or database table by physically removing deleted tuples. (physics) A spacetime having tensors of zero magnitude. (plural only "vacuums") A vacuum cleaner.. A region of space that contains no matter.. The condition of rarefaction, or reduction of [...]