琴
キン, こと
harp, koto
JLPT1 G7 S12 F1591
As per 今# (contain) + 玨 (玉 jewel in abbreviated form, and doubled), here a shape indicator suggesting the outline of a particular musical instrument → musical instrument in which the sound is enclosed within a sealed base → *koto* (Japanese harp/zither).
[Full Kanji Etymology List]