industrious
adjective /ɪnˈdʌstriəs/
  /ɪnˈdʌstriəs/
(approving)- working hard; busy synonym hard-working
- an industrious student
 - She was surrounded by energetic, industrious people.
 
Word Originlate 15th cent. (in the sense ‘skilful, clever, ingenious’): from French industrieux or late Latin industriosus, from Latin industria ‘diligence’.