档次
dàng cì · HSK 7
grade
🏆 档 档案 file/record + 次 order = ranked filing, i.e. grade or level
Think of sorting files into ranked tiers. 档 means档案 archive or file, 次 means order or sequence. Together they describe a ranking system — the grade or quality level something belongs to.
档 — wood radical 木 + 当 (dāng) phonetic
档 is a semantic-phonetic compound: 木 ('wood') signals the meaning, since the original referent was a wooden shelf or rack for storing files. 当 supplies the sound. From 'wooden file rack' the meaning extended to 'archive,' 'file,' and 'grade/category.'
次 — 冫 ice + 欠 yawn/lack
Originally depicted a person (欠) sighing or hesitating, with 二 (later written 冫) marking repetition or a secondary position. The core sense developed from 'second in order' or 'next' into related meanings like 'sequence,' 'time/occurrence,' and 'inferior quality.'