(き) (n) (1) {chem} (See 官能基) group; (2) (See 遊離基) (free) radical; (ctr) (3) counter for installed or mounted objects (e.g. stone lanterns, gravestones) [EDICT]
(もとい) (n) (1) (arch) basis; foundation; (2) cause [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]
(えいきゅう(永久)(P);とこしえ(永久);とわ) (adj-na,n,adj-no) (1) (とわ tends to be more abstract) eternity; perpetuity; immortality; (2) (えいきゅう only) Eikyuu era (1113.7.13-1118.4.3); (P) [EDICT]