Earlier quoted context omitted.
If you follow the link to 颱 from the wikipedia page to the wiktionary entry, you'll find that: a) 台 is the simplified version of 颱 in modern Chinese b) there is nothing in the entry that suggests it means "great" or "big", and that, in fact, the one character translates as "typhoon" Also, if you check out the Japanese wikipedia page for 台風, you'll find that the Japanese spelled it 颱風 up until 1956. There's also a rat…
I only disputed that 颱 was related to the meanings of "stand" or "platform". As for the meanings of "great" or "big", the OED and etymonline entries actually refer to a different character, 大, from the Cantonese pronunciation of 大風 (IPA: taːifʊŋ). The Japanese and Chinese etymology of 颱風 is as convoluted as the English one that _delirium mentions above in a previous comment. It may have originated as a Western borrow…
Further, you asserted that 「台」 was adopted into Japanese as a simplification of 「颱」, which I've shown to be false (it was adopted into Japanese as-is and wasn't simplified until 1956, and was also simplified in the same way in Chinese), yet people continue to upvote your incorrect assertion and downvote mine. Not that I hold that against you; you seem reasonable enough. But it does make me wonder what people's motivations would be.