砂時計 (sunadokei) Japanese meaning: hourglass | KotomoraI waited quietly until all the sand in the hourglass had fallen.
Usage patterns
〈物〉をひっくり返すto flip (the hourglass) over
I flipped the hourglass over to time it.
〈物〉の砂が落ちるthe sand (in the hourglass) falls/runs down
The sand in the hourglass quietly falls through.
〈物〉が落ちきるfor the hourglass to run out (all the sand has fallen)
When the hourglass runs out, the egg is done boiling.
