ゲン 
かぎ.る かぎ.り -かぎ.り 
() limit () restrict
                  
かぎり (n-adv,n) (1) limit, limits, bounds, (2) degree, extent, scope, (3) as far as possible, as much as possible, to the best of one's ability, (4) unless (after neg. verb), (5) the end, the last
かぎりない (adj-i) eternal, unlimited, endless
かぎる (v5r,vt) (1) to restrict, to limit, to confine, (v5r,vi) (2) to be restricted to, to be limited to, to be confined to
げんかい (n,adj-no) limit, bound
げんてい (n,vs,adj-no) limit, restriction
げんど (n) limit, bounds
げんどがく (n) credit limit (on a credit card)

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Etymologies: 中文字譜 : 説文解字