季刊
きかん · kikan · JLPT N3 · noun
gram
📰🍂 季刊 = season + publish: a magazine that comes out once every season
季 means season (as in 季節 kisetsu) and 刊 means to publish (as in 週刊 weekly, 月刊 monthly). Four seasons a year means four issues: quarterly. Kikan is also the sound of 期間 (period) and 機関 (agency), so the kanji tell them apart.
季 — grain 禾 on top + child 子 below
Originally an associative compound showing young grain (禾) and a child (子), suggesting a young or immature crop. From this it came to mean 'youngest' among siblings, then a season or quarter of the year — a recurring period like a harvest cycle. Today it mostly means 'season' or a surname.