年ごとに (toshigotoni) Japanese meaning: annually | Kotomorasemiannually; every six months
Written forms
年ごとに
Standard kanji-kana mixed spelling.
年毎に
Kanji spelling using 毎; less common but still seen.
Etymology
Compound of 年 (toshi, 'year') + ごとに (goto ni, 'each, every'). The ごとに part derives from 毎 (goto) + particle に.