bypass
n.
also by-pass, 1848, of certain pipes in a gasworks, from by + pass, n.. First used 1922 for "road for the relief of congestion;" figurative sense is from 1928. The heart operation was first so called 1957.
v.
1823, "to pass by" (implied in bypassed), from bypass, n.. From 1928 as "to go around, avoid;" figurative use from 1941. Related: Bypassed; bypassing.
〔李〕[by-=secondary 次要的；pass n.道路⇒“a secondary pass 次要的道路”→] n. passage or road to one side of the main passage旁道，旁路