Haunting
来自Big Physics
Middle English (in the sense ‘frequent (a place’)): from Old French hanter, of Germanic origin; distantly related to home.
etymonline
haunting (adj.)
late 14c., present-participle adjective from haunt (v.). Middle English hauntingly meant "frequently" (mid-15c.); sense of "so as to haunt one's thoughts or memory" is from 1859.
