| 释义 | 
		op- To work, produce in abundance. Oldest form *h3ep‑, colored to *h3op‑. Derivatives include opera1, maneuver, manure, opulent, and cornucopia.- Suffixed form *op-es‑.  opera1, operate, operose, opus; cooperate, inure, maneuver, manure, officinal, stover, from Latin opus (stem oper‑), work, with its denominative verb operārī, to work, and secondary noun opera, work.
 - Italic compound *opi-fici-om  (see dhē-).
 - Suffixed form *op-en-ent‑.  opulent, from Latin dissimilated opulentus, rich, wealthy.
 - Suffixed form *op-ni‑.  omni-, omnibus; omnium-gatherum, from Latin omnis, all (< "abundant").
 - Suffixed (superlative) form *op-tamo‑.  optimum, from Latin optimus, best (< "wealthiest").
 - copious, copy; cornucopia, from Latin cōpia, profusion, plenty, from prefixed form *co-op‑  (co‑, collective and intensive prefix; see kom).
  [Pokorny 1. op‑ 780.] |  
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