English

interestable

From interest + -able.

Formed from interest + -able

Proto-Indo-European *h₁es- ‘to be’

…

Latin intersum ‘to be between; to concern’

Medieval Latin intersum ‘to concern’

Old French interesse

Middle English interest

Today it means

adj Capable of being made interested.

Language periods are conventional ranges, not dates for this word.

Etymograph / interestable