piled stones; stacked stones
Refers to stones that have been intentionally piled or stacked, often for a purpose such as a marker, monument, or simple structure.
There were many piled stones along the mountain trail.
Used for a stone that serves as a foundation or cornerstone in construction, or metaphorically as a fundamental element.
The foundation stones of this building are over a hundred years old.
Standard kanji spelling; the okurigana み makes the reading clear.
Variant without okurigana; less common but still used.
Compound of 積み (tsumi, 'piling', the continuative form of 積む) and 石 (ishi, 'stone'). The literal meaning is 'piled stone'.