旅券
りょけん · ryoken · JLPT N1 · noun
pass
券 — ⺉ knife radical + 龹 (phonetic top)
Originally written 券, depicting a tally cut with a knife (刀/⺉) into two halves so each party could keep proof of an agreement. The top element 龹 supplies the sound. From this 'split tally' sense it came to mean a certificate, ticket, or voucher.