Afternoon

来自Big Physics

wiktionary

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From Middle English afternone, after-non, equivalent to after- +‎ noon.


etymonline

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afternoon (n.)

"part of the day from noon to evening," c. 1300, from after + noon. In 15c.-16c., the form was at afternoon; from c. 1600 it has been in the afternoon.As an adjective from 1570s. Middle English also had aftermete "afternoon, part of the day following the noon meal" (mid-14c.).