词意辨析：

origin, source,root

英语解释：

名词 roots:

名词 root:

(botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground同义词：root

(linguistics) the form of a word after all affixes are removed同义词：root, root word, base, stem, theme, radical