丢失
diū shī · HSK 7
to lose
🔑 DEW SHrinks and vanishes — your stuff is gone, lost
DiU sounds like dew that evaporates by morning. ShI echoes she — she lost her keys in the dew. 丢 has a left stroke falling away, and 失 shows something slipping from a hand.
丢 — 丿 stroke + 去 (to go away)
丢 is a relatively late character formed by adding a downward stroke 丿 on top of 去 ('to go/leave'). The composition visually suggests something departing or slipping away, reinforcing the meaning 'to lose' or 'to throw away'. It is not an ancient pictograph but a modern semantic compound.