(げん) (n) (1) {math} unknown (e.g. in an equation); (2) {math} element (of a set); (3) yuan (monetary unit of China); (4) Yuan dynasty (China) [EDICT]
(もと) (n) (1) (usu. 元) origin; source; (2) (esp. 基) base; basis; foundation; root; (3) (also 因, 原) cause; (4) (esp. 素) ingredient; material; (5) (元 only) (somebody's) side; (somebody's) location; (6) original cost (or capital, principal, etc.); (7) (plant) root; (tree) trunk; (8) (See 和歌) first section of a waka; (ctr) (9) (本 only) counter for blades of grass, tree trunks, etc., and for falcons (in falconry); (n) (10) handle (chopsticks, brush, etc.); grip; (P) [EDICT]
(もと) (n,adj-no,n-adv,n-pref) former; ex- [EDICT]
(yuán, ㄩㄢˊ) Chinese monetary unit; dollar; primary; first; the Yuan or Mongol dynasty (1279-1368); surname Yuan [CE-DICT]
比
(ころおい) (n) time; period; days [EDICT]
(ひ) (n,n-suf) (1) ratio; proportion; (2) match; equal; (3) (See 六義・1) explicit comparison (style of the Shi Jing); (4) (abbr) (See 比律賓) Philippines; (P) [EDICT]
(bǐ, ㄅㄧˇ) (particle used for comparison and "-er than"); to compare; to contrast; to gesture (with hands); ratio; abbr. for Belgium 比利時|比利时 [CE-DICT]