ソク 
はか.る 
() measure () conjecture
      
はかる (v5r,vt) (1) to measure, to weigh, to survey, to time (sound, gauge, estimate), (2) to conjecture, to infer, to surmise
そっこうじょ (n) weather measurement station
そくてい (n,vs) measurement
そくりょう (n,vs) measurement, surveying

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Etymologies: 中文字譜 : 説文解字