pacific
adj.
1540s, "tending to make peace," from Middle French pacifique, from Latin pacificus "peaceful, peace-making," from pax (genitive pacis) "peace" (see peace) + root of facere "to make" (see factitious). Meaning "peaceful, calm" is first recorded 1630s. Related: Pacifical (mid-15c.); pacifically.
〔李〕[pacif(y);-ica.] a.和平的; 平静的n. [大写]太平洋 ←pac,peac (L pax,pacis)=peace 和平
〔蒋〕[paci和平,-fic形容词后缀,…的] 和平的,太平的,平静的