ed-

From Middle English ed-, from Old English ed- (“again, re-”), from Proto-Germanic *idi-, *idi, *ida (“back, backwards, again”), from Proto-Indo-European *éti. Cognate with Dutch et-, German dialectal it- (“again, back”), Icelandic ið- (“again, back”), Gothic 𐌹𐌳- (id-, “again, back”), Welsh ad-, Welsh ed- (“again, back”), Latin et (“and”), Latin at (“but, moreover”).

ed-

1. (obsolete, no longer productive) A prefix of Old English origin meaning "again", "back", "anew", equivalent to re-.

   eddish, eddy, edgrow, edgrowth, ednew, edquicken

• ed- in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

• DE, De, dE, de, de-

• æd-

From Proto-Germanic *idi- (“back, backwards, again”). Akin to Old Saxon idug-, Old High German id-, ida- (German dialect it-), Old Norse ið-, Gothic 𐌹𐌳-.

• IPA^(key): /ed/

ed-

1. forming words with sense of "anew" or "again"; "against", "backwards"

   ednīwian "to renew, refresh, restore"

   edlǣċan "to repeat"

   edwīt "disgrace, reproach, shame"

   edwierpan "to recover, amend, improve"

2. turning

   edēa "whirlpool, eddy"

• Middle English: ed-
  • English: ed-

From Proto-Germanic *idi- (“back, backwards, again”). Related to idug-.

ed-

1. forming words with sense of "against", "backwards"

   edwindan "to hurl, precipitate"