歳次 is read as さいじ (saiji) and means year.
さいじ
saiji
さい
... years old
とし
year
さいげつ
time
せいぼ
year-end gift
さいまつ
year end
さいしゅつ
annual expenditure
さいにゅう
annual revenue (government)
さいじき
almanac of seasonal words (for haiku poets)
さいひ
さいにゅうさいしゅつ
annual income and expenditure
events of the year
さいさいねんねん
annually