归根究柢 guīgēnjiūdǐ to get to the root of the matter Origin Definitions Defs Strokes Stroke Words Sentences Sents 归根 歸根 guīgēn adverb after all To go back to the source or basis of something; in the final analysis.究 jiū nounverb to investigate (bound form) to study carefully; to probe; to research柢 dǐ root (bound form) the main root of a tree; the base or foundation of something