English
interest
Interest comes from Old French interesse, from Medieval Latin interesse, from Latin intersum ‘to be between, concern’, ultimately from Proto-Indo-European *h₁es- ‘to be’.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁es-‘to be’reconstructed
- Latinc. 75 BCE–200 CEsum‘to be’
- Latin, derivedc. 75 BCE–200 CEintersum‘to be between; to concern’
- Medieval Latinc. 600–1500intersum‘to concern’
- Old Frenchc. 842–1400interesse
- Middle Englishc. 1150–1500interest
- Englishearliest quotation c. 1597interest
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁es-‘to be’reconstructed
- Latinc. 75 BCE–200 CEsum‘to be’
- Latin, derivedc. 75 BCE–200 CEintersum‘to be between; to concern’
- Medieval Latinc. 600–1500intersum‘to concern’
- Old Frenchc. 842–1400interesse
- Middle Englishc. 1150–1500interest
- Englishearliest quotation c. 1597interest
Earliest quotation: c. 1597, William Shakespeare, The First Part of Henry the Fourth, […]: “You shall have your desires with interest”.
Linked words
through Proto-Indo-European *h₁es- ‘to be’
is, am, potential, sin, soothe, sinful, swastika, sooth, asana, sinless, quintessence, 11 more
Today it means
noun The price paid for obtaining, or price received for providing, money or goods in a credit transaction, calculated as a fraction of the amount or value of what was borrowed.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₁es- / interest