偽
ギ, カ, いつわ.る, にせ, いつわ.り

falsehood, lie, deceive, pretend, counterfeit, forgery

JLPT1 G7 S11 F1171

As per 爲# (transform) + 人 person: → transform one's persona → *deceit*; *sham*; a *lie/fabrication*.

[Full Kanji Etymology List]