entries → 了解
TSUMUGU · TOCFL A2 (est.) · 詞
了解 word · TOCFL A2 (est.)
了解 ＝ 了 ＋ 解
ㄌㄧㄠˇ ㄐㄧㄝˇ · liǎojiě
verb — to understand, to be clear about; noun — understanding

字源 FORM — what the parts do

了to grasp clearly, to settle (here read liǎo, as in 了結)liǎo
解to untie, to explain (解釋)jiě
了解，了結的了，解釋的解。
關 · Related
瞭解liǎojiěorthographic twin — 瞭 adds the eye 目 to 了 to mark seeing-clearly; both write this word明白míngbáito understand — the plainer everyday synonym