速
ソク, はや.い, はや, はや.める, すみ.やか, わ
quick, fast
JLPT3 G3 S10 F576
As per 束# (compact) + 辵 movement → time compacted/compressed in rushing about (compare 走 and 怱) → *fast*; *quick*; *speedy* → *prompt*; *immediately*; *speed*. For the connection between compaction/compression and running, also compare 趨.
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