hetairism [hi'taiәrizәm]
n.
纳妾制, (原始社会的)群婚
Hetairism \He*tair"ism\, Hetarism \Het"a*rism\, n. [Gr. ? a
companion, a concubine, fem. of ? a comrade.]
A supposed primitive state of society, in which all the women
of a tribe were held in common. --H. Spencer. --
{Het`a*ris"tic}, a.