倍
バイ, べ, ます

double, twice, times, fold

JLPT2 G3 S10 F714

As per 咅# (spread) + 人 person (→ human agency) → break an object in two (causing the pieces to spread) → *break in two*; *double*; *more and more*; *increase*; *times* (← cut in two, doubling the number).

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