Hetairism
the GNU version of the Collaborative International Dictionary of English
noun.
A supposed primitive state of society, in which all the women of a tribe were held in common.
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noun.
Alternative form of hetaerism‎.
Word Usage
"These might indeed occur between a man and a woman outside marriage, but putting aside the very limited phenomena of Athenian hetairism, they were too shameful to be idealized."
Equivalent
hetarism