ゲン ガン 
もと 
[] heaven () beginning () origin
                     
もと (n) (1) origin, source, (2) base, foundation, (3) cause, (4) ingredient, (5) (somebody's) side, (somebody's) location, (6) original cost (or capital, principal, etc.), (7) trunk, (8) first section of a waka
もともと (adv,adj-no) originally, by nature, from the start
もとより (adv) (1) from the beginning, from the first, all along, originally, (2) of course
げんき (adj-na,n) health(y), robust, vigor, vigour, energy, vitality, vim, stamina, spirit, courage, pep
がんきょう (n) (1) ringleader, main culprit, (2) main cause, source
がんきん (n,adj-no) capital, principal
げんごう (n) era name
げんしゅ (n) ruler, sovereign
げんすい (n) (field) marshal, (fleet) admiral, general of the army
がんそ (n,adj-no) originator, founder, pioneer, inventor
げんそ (n,adj-no) chemical element
がんたん (n) New Year's Day
がんじつ (n) New Year's Day
がんねん (n-adv,n-t) first year (of a specific reign)
がんぽん (n) principal (invest.), capital
がんらい (n-adv) originally, primarily, essentially, logically, naturally
げんろう (n) (1) elder statesman, doyen, old-timer, authority, (2) Genro (member of a pre-WWII body that informally advised the emperor)
げんろく (n) Genroku era (1688.9.30-1704.3.13)

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Etymologies: 中文字譜 : 説文解字