Meaning of CIRCULATE in English
1》 move or cause to move continuously or freely through a closed area.
↘move around a social function and talk to many people.
2》 pass or cause to pass from place to place or person to person.
C15 (as an alchemical term meaning 'distil something, allowing condensed vapour to return to the original liquid'): from L. circulat- , circulare 'move in a circular path', from circulus (see circle ).
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004