The story
From homosocial + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Socialization (social interaction, social relationships) with members of the same sex, as distinguished from sexual interaction with or attraction to members of the same sex (homosexuality) and social interaction with members of the opposite sex (heterosociality). Full definition →
From homosocial + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.