咖啡因

kāfēiyīn
caffeine (loanword)

CEDICT

loanword

Entry Composition

1 咖啡 kāfēi (loanword) coffee

classifier: 杯
=2 因 yīn old variant of 因 yīn
=2 因 yīn
  1. cause
  2. reason
  3. because