底 - Let's get to the bottom of 'soko' (Pt. 2 - Vocabulary)
In part 2 of this study of 'soko', we'll look at 'jukugo' vocabulary. My primary source for this information is the wonderful Kanji-kai dictionary, 4th ed (漢辞海第四版) published by Sanseido (三省堂). As you'll see, the possible uses of "bottom" and "deep" are nearly exhausted by this kanji. Everything is covered, from the bottom of a body of water (水底), to the depths of one's heart (心底). We'll also see 'soko' in a few technical terms from the fields of medicine, geometry and finance. Terms such as 眼底 for the fundus of the eye, 底辺 for the sides of a trapezoid, and 底本 for funds used in investment. Additionally, we'll see this kanji's involvement in rich metaphors. For example, 底流 denotes an ocean's undercurrent. B ut this 'jukugo' can also metaphorically describe the emotions or feelings of a person — those which cannot be perceived from outward appearances. My favorite vocabulary wo...