Barring
来自Big Physics
late 15th century: from the verb bar1 + -ing2.
etymonline
barring (n.)
late 14c., "act of fastening with a bar," verbal noun from bar (v.). Meaning "exclusion" is from 1630s. As a preposition, "excepting, excluding," it is from late 15c. Schoolhouse prank of barring out the teacher was in use by 1728.
