虜
リョ, ロ, とりこ, とりく
captive, barbarian, low epithet for the enemy
JLPT1 G7 S13 F1678
力
power/energy + an abbreviated form# of
盧
(sunken) → line of emaciated captives/prisoners (compare
奚
and
婁
) → *captive*; *prisoner*.
[Full Kanji Etymology List]