rotund
adj.
1705, from Latin rotundus "rolling, round, circular, spherical, like a wheel," from rota "wheel" (see rotary). Earlier was rotound (1610s); rotounde (early 15c.). Meaning "full-toned style of oratory" (1830) is after Horace's ore rotundo in "Poetics."
〔李〕[rot;-unda.] a.圆形的； 圆胖的； 洪亮的； 华丽的 ←rot (L rota)=wheel 轮
〔蒋〕[rot轮→圆形，-und形容词后缀，有…形的] 圆形的，圆胖的