KanjiJLPT N2
Enroll

enroll, domiciliary register, membership

Mnemonic

Once upon a time, a scribe sat beneath a grand pine tree, etching names into bamboo tablets to enroll every citizen. The pine tree became the sacred enrollment site, its roots wrapped around mountains of bamboo records from ages past.
Additional thoughts
Visualize a towering pine tree with bamboo scrolls dangling from its branches like ornaments—each one an official enrollment record. The fairy-tale framing of 'once upon a time' anchors the idea of an ancient, formal registration tradition.
Quick recall
Once upon a time, a scribe at a pine tree carved bamboo tablets to enroll every citizen.

Details

The keyword for 籍 is enroll. This kanji refers to the act of registering or recording one's name in an official document or registry. It carries the sense of formal membership or belonging, as in being enrolled in a family register, a school, or an organization. By extension, it can also refer to one's official domicile, nationality, or the register itself in which such records are kept.
On'yomi
せき