Per
来自Big Physics
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Latin, ‘through, by means of’; partly via Old French.
wiktionary
From Latin per(“through, during”), from Proto-Indo-European *per. Doublet of par.
shortening of person, coined by Marge Piercy in Woman on the Edge of Time (1979)
etymonline
per (prep.)
"through, by means of," 1580s (earlier in various Latin and French phrases, in the latter often par), from Latin per "through, during, by means of, on account of, as in," from PIE root *per- (1) "forward," hence "through, in front of, before, first, chief, toward, near, around, against."
