This radical shows a hill. This radical 阝 is always on the left of the hanzi. (Please note that this relatively similar radical ⻏ stands for “village” and is in the character always on the right.)
Traditionally, the radical 58 has the meaning: pig's head, or pig's snout. The trainer always uses it as “hand”, i.e. as a variant of , which shows a hand with the fingers pointing to the left. This often appears to be etymologically justified.
to conceal; to hide (a taboo subject); to cover up the truth
3820
隐蔽
yǐn bì
to conceal; to hide; covert; under cover
3819
隐藏
yǐn cáng
to hide; to conceal; to mask; to lie low; to nestle; to shelter; to harbor (i.e. keep sth hidden); hidden; implicit; private; covert; recessed (lighting); a hideout
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