Indicates that something happens each year or is done on a yearly basis. Can be used as a noun or adverb.
This festival is held every year.
I record my yearly income.
annually; every year
Standard spelling using 年 with okurigana ごと.
Alternate kanji spelling using 毎; less common than 年ごと.
Compound of 年 (とし, 'year') and ごと ('each, every'). The suffix ごと attaches to nouns to indicate 'each' or 'every'.