ETYM Cf. French coďncidence.
1. An event that might have been arranged although it was really accidental; SYN. happenstance.
2. The quality of occupying the same position or area in space.

ETYM French, competition, equality of rights, from Late Lat. concurrentia competition.
1. The temporal property of two things happening at the same time; SYN. coincidence, conjunction, co-occurrence.
2. Acting together as of agents or circumstances or events.
3. Agreement of results or opinions.
4. A state of cooperation; SYN. meeting of minds. + prikaži više

A circumstance especially that is due to chance.