agamy

[ ag-uh-mee ]
/ ˈæg ə mi /

noun

the absence of a rule dictating marriage choices within a social group.

Origin of agamy

1790–1800; < Greek agamía, equivalent to ágam(os) (see agamic) + -ia -y3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019