Probably ultimately of Sinitic origin, Mandarin大风 (dàfēng, “big wind”), Cantonese大風 (daai6 fung1, “big wind”), via Arabicطوفان (ṭūfān), Hindiतूफ़ान (tūfān), and Persianتوفان (tufân). Given the location of typhoons as a Pacific Ocean phenomenon, it is more likely it began east and moved west. Ancient GreekΤυφῶν (Tuphōn, “Typhon, father of the winds”) is unrelated but has secondarily contaminated the word.
A weatherphenomenon in the Eastern Pacific that is precisely equivalent to a hurricane, which results in wind speeds of 64 knots (118km/h) or above. Equivalent to a cyclone in the Indian Ocean and Indonesia/Australia.