Chinese Characters

Etymology:
Elements  ----  hand 扌= 手 + foot 足. Phonetic series - 足.

Main Words:

①catch; capture, arrest.

捕捉 bǔzhuō catch; capture.
擒捉 qínzhuō arrest; capture.

②hol; grasp.

把捉 bǎzhuō  grasp (sth. abstract).
捉笔 zhuōbǐ hold a pen.

Discussion and sources

Though most of the scholars consider that in this character 足zú has only a phonetic function, we clearly see a hand catching the foot of a person or animal.