Meaning

noun leaves of the tobacco plant dried and prepared for smoking or ingestion

noun aromatic annual or perennial herbs and shrubs

originAttested since 1588, borrowed from Spanish tabaco. The Spanish word could be from Arabic طُبَّاق (ṭubbāq, “Dittrichia viscosa”) or from a Caribbean language such as Kari'na or Taíno or multiple of them, from a word meaning "roll of tobacco leaves" or "a pipe for smoking tobacco," such as tabago (“tube for inhaling smoke or powdered intoxicating plants”).

Etymology from Wiktionary, CC BY-SA 3.0