entries → 已知
TSUMUGU · TOCFL 4 (est.) · 詞
已知 word · TOCFL 4 (est.)
已知 ＝ 已 ＋ 知
ㄧˇ ㄓ · yǐzhī
adj — known, already established; (in math) given

字源 FORM — what the parts do

已already (已經)yǐ
知to know (知道)zhī
已知，已經的已，知道的知。
關 · Related
已經yǐjīngthe same 已未知wèizhīnot yet known — the opposite