風呂敷
ふろしき furoshiki; wrapping cloth
Why it means this
風呂 (a bath) + 敷 (a spreading cloth) — originally the cloth spread out at the bathhouse to stand on and wrap one's clothes; now the square cloth used to wrap and carry things; 大風呂敷を広げる, to make grandiose claims.
Breakdown
Each character links to its full entry — origin story, stroke order, and readings.