KanjiJLPT N1
Searching

cord, rope, searching, inquiring

Mnemonic

Beneath a cross etched into stone, a crown hangs from a fraying rope. Grandma is searching in the dark, pulling herself along the cord hand over hand, tracing it from the cross toward the crown she lost long ago. She gropes blindly, but the rope always guides her.
Additional thoughts
Picture grandma in a dark vault, following a rope tied between a stone cross and a dangling crown. The rope = searching by feel. Cross is her starting point, crown is her goal.
Quick recall
Grandma follows a rope from a cross to a crown, Searching by touch in the dark.

Details

The keyword for 索 is searching. This kanji conveys the idea of looking for something, seeking out, or groping around to find what is needed. It carries the sense of a thorough, deliberate investigation or exploration, as when one follows a rope or cord to trace something back to its source. By extension, it can also refer to demanding or exacting something from someone, as well as the concept of a rope or cord itself.
On'yomi
さく