Happening
来自Big Physics
late Middle English (superseding the verb hap ): from the noun hap1 + -en1.
wiktionary
From Middle English *happenynge, *happnynge, equivalent to happen + -ing.
From Middle English happenyng, equivalent to happen + -ing.
etymonline
happening (n.)
mid-15c., "chance, luck," verbal noun from happen (v.); meaning "an occurrence" is 1550s. Sense of "spontaneous event or display" is from 1959 in the argot of artists. Happenings "events" was noted by Fowler as a vogue word from c. 1905.
happening (adj.)
1520s, "occurring," present-participle adjective from happen (v.). Compare incident.
