IPA: /ˈæn.ju.ə.li/
KK: /ˈæn.ju.ə.li/
Happening or done once every year.
The festival is held annually in the summer.
Annually → It is formed from "annus" (meaning year) and the suffix "-ly" (meaning in a manner of). The word "annually" means in a manner relating to a year, or once every year.
Think of 'annus' meaning year, and remember that 'annually' refers to something that happens every year.