English
pseudointersection
From pseudo- + intersection.
Formed from pseudo- + intersection
Latin intersecō ‘to intersect’
Latin intersectiō ‘an intersection’
Middle French intersection
English intersection
Today it means
noun A set for which the number of elements that are not in the intersection (of two infinite sets) is finite.
Language periods are conventional ranges, not dates for this word.
Etymograph / pseudointersection