(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]
老
(ろう) (n) old age; age; old people; the old; the aged [EDICT]
(lǎo, ㄌㄠˇ) prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity; old (of people); venerable (person); experienced; of long standing; always; all the time; of the pas [CE-DICT]
院
(いん) (n) (1) (hon) imperial palace; (2) emperor (or his empress, imperial princesses, etc.); (suf) (3) temple; (4) institution (esp. a government office, school, hospital, etc.); (5) suffix used in posthumous names (esp. of emperors, daimyos, etc.) [EDICT]