Intersection
来自Big Physics
mid 16th century: from Latin intersectio(n- ), from intersecare (see intersect).
wiktionary
From Middle French intersection, from Latin intersectiō
etymonline
intersection (n.)
1550s, "act or fact of crossing," from French intersection (14c.) and directly from Latin intersectionem (nominative intersectio) "a cutting asunder, intersection," noun of action from past-participle stem of intersecare "intersect, cut asunder," from inter- "between" (see inter-) + secare "to cut" (from PIE root *sek- "to cut"). In English originally a term in geometry; meaning "crossroads, a place of crossing" is from 1864. Related: Intersectional.