cooperation

yhteistyö puhekieltä The act of cooperate cooperating.
Active help from a person, organization, etc., such as an orderly sharing of space or resources.
association Association for mutual benefit, such as for purposes of production or purchase.
(obsolete form of)
(l)
1488, La Mer des Histoires

Dieu au commencement avoit fait l'omme, c'est assavoir Adam sans cooperation de homme et de femme

: At the beginning, God had made man, that is to say Adam without the cooperation between man and woman