or-

From Middle English or-, from Old English or- (“or-”), from Proto-Germanic *uz- (“out”), from Proto-Indo-European *uds- (“up, out”). Cognate with West Frisian oar-, Dutch oor-/oer-, German ur-, Gothic 𐌿𐍃- (us-). Identical with Old English ā- (“a-”), and the German borrowing English ur-. More at a-.

or-

1. (no longer productive) From the outset; original; out; out of; without.

   ordalian, ordeal, orlay, ort

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

• R&O, RO, r/o

From Old Dutch ur-, or-, from Proto-Germanic *uz-.

or-

1. A prefix with a variety of meanings, but originally meaning "out" or "original".

• a-, ā-, ur-, ǣ-

From Proto-Germanic *uz- (“out”), from unstressed Proto-Indo-European *uss-, from *uds- (“up, out”). Cognate with Old High German ur-, ir-, ar-, er-. More at out.

• IPA^(key): /or/

or-

1. original; denotes origin
2. former
3. ex-, out of
4. Without, lacking
5. causing deprivation, privative

• oreald
• orwēne (“without hope, hopeless”)