overflow
v.
Old English oferfleow "to flow across, flood, inundate," also "to flow over (a brim or bank);" see over- + flow, v.. Related: Overflowed; overflowing.
n.
1580s, "act of overflowing," from overflow, v..
〔李〕[over-=over 高于;flow v.流 →] v. flow over the bounds 溢出;泛滥