リョク, リキ, リイ, ちから, じから, つとむ

power, strength, strong, strain, bear up, exert

JLPT4 G1 S2 F62

A depiction of the rippling muscles of a powerful arm → *power*; *energy* → *strength*; *skill*; *ability*; *labor*; *make efforts*.

[Full Kanji Etymology List]