Weasel
Weasel.
The name Itachi means weasel, and Uchiha is a round fan, I believe.
Do you mean BEFORE his fight with Itachi or after he killed Itachi and Madara explained why Itachi did it? If you mean before Sasuke fought Itachi: He wanted power, enough to kill his brother for slaughtering their clan. If you mean after Madara explains Itachi's reasons to him: Sasuke now hates the elders for ordering Itachi to kill his family. He also hates Konoha for keeping the Uchiha clan separate from the rest of Konoha and closely monitored.
there is a character in the show Naruto called itachi so maybe that's what it means
Well that depends when you say madara if you mean Tobi then yes he was afraid of itachi.
Itachi in Japanese means weasel. Uchiha doesn't necessarily mean anything. But by switching the last kanji 'ha' to 'wa' you get Uchiwa which means 'fan'.
It means Moon Reader.
In Japanese, the name Itachi means "weasel." It is a traditional name that is often associated with qualities such as agility, stealth, and intelligence—characteristics that are symbolically linked to the animal.
If you mean Shisui, he has the sharingan. However, when Itachi kills him, Itachi gains the mangekyo sharingan, and that's what you probably meant.
Itachi is dead.
I love Itachi.
Itachi is Sasuke's brother.