entries → 期間
TSUMUGU · TOCFL 4 (est.) · 詞
期間 word · TOCFL 4 (est.)
期間 ＝ 期 ＋ 間
ㄑㄧ ㄐㄧㄢ · qījiān
noun — period; interval; duration (during a specified time)

字源 FORM — what the parts do

期a period; a term; to expect (期待的期)qī月 (moon) marks time; 其 qī gives the sound
間between; space; gap (空間的間)jiān日 (sun) shining through 門 (gate) — light in the space between
期間，期待的期，空間的間。

故事 STORY — a scene to remember it by

月（月）定的期，陽光（日）透過門縫（間）——那段時間裡。
The moon (月) marks the span (期); the sun (日) slips through the gate (門) into the gap (間) — during that interval.
字源記憶法
關 · Related
時期shíqīa period of time — 期 as the main carrier之間zhījiānbetween — 間 marking the space