English
based
From base + -ed.
A compound of base + -ed
Proto-Indo-European *gʷem- ‘to come’
…
Ancient Greek βᾰ́σῐς ‘stepping’
Latin basis ‘a pedestal’
Old French base
Middle English base ‘a foundation or base’
English base
Today it means
adj Founded on; having a basis; often used in combining forms.
Language periods are conventional ranges, not dates for this word.
Etymograph / based