from The American Heritage® Dictionary of the English Language, 4th Edition
- prep. Throughout the course or duration of: suffered food shortages during the war.
- prep. At some time in: was born during a blizzard.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- prep. For all of a given time interval.
- prep. At any time or period within a given time interval.
- v. Present participle of dure.
from the GNU version of the Collaborative International Dictionary of English
- prep. In the time of; as long as the action or existence of
from The Century Dictionary and Cyclopedia
- n. Duration; existence.
- Lasting; continuing; enduring.
- In the time of; in the course of; throughout the continuance of: as, during life; during our earthly pilgrimage; during the space of a year.
Middle English, from present participle of duren, to last, from Old French durer, from Latin dūrāre; see deuə- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English during, durynge, durinde, durand, durende, present participle of Middle English duren ("to last"), equivalent to dure + -ing. More at dure. (Wiktionary)