幹
カン, みき, つよし, まさ, もと, えだ, き, くる, たかし, つね, とも, み, もとき, よし, より
tree trunk
JLPT1 G5 S13 F364
An abbreviated form# of
乾
(rise high) +
干
thick bar → high-rising tree with a thick *trunk* → *main part*; *vitality*.
[Full Kanji Etymology List]