After-school means happening once the school day has ended. An after-school club.
It is a whole industry now, since the school day is shorter than a working one. An after-school club is childcare that everybody agrees to call something else.
1adjectiveafter-schoolHappening once the school day has ended.
“The after-school club ran until six and was always full.”
after-school is a quality.
afterschool comes from after + school.
Etymology from Wiktionary, CC BY-SA