留
liú · HSK 2
stay
🏠 liú sounds like 'Leo stayed' — Leo decided to stay and keep watch
留 means to stay, remain, or keep behind. The sound liú echoes the name Leo, who lingers and keeps things safe. Think of leaving something behind for someone to hold onto.
留 — 卯 (top) + 田 (field)
Originally a phono-semantic compound: 田 (field) suggests staying on the land, with 卯 hinting at the sound. Over time it came to mean 'remain, stay, keep,' as in keeping someone on the land or holding something in place. Modern uses include 留学 (study abroad) and 保留 (retain).