noun
middle of a year
Refers to the period around the middle of a calendar year, roughly June or July.
年半に引っ越す予定です。
I plan to move in the middle of the year.
年中 (ねんじゅう) means 'all year round' or 'throughout the year', while 年半 (としなか) specifically means 'middle of a year'.
Compound of 年 (とし, 'year') and 半 (なか, 'middle').