noun
annual tree ring; growth ring
Refers to the concentric rings visible in a cross-section of a tree trunk, each representing one year of growth.
この木の年輪を数えると、樹齢は百年以上だとわかる。
Counting the tree rings on this tree reveals it is over a hundred years old.
年輪の幅
The width of a growth ring reflects the climate of that year.
noun
life experience; accumulated wisdom
Figurative use, likening a person's accumulated experience and maturity to the rings of a tree. Often used in literary or reflective contexts.
彼の顔には、長年の苦労が年輪のように刻まれている。
Years of hardship are etched into his face like tree rings.
人生の年輪を重ねるごとに、考え方も変わってくる。
As one accumulates life experience, one's way of thinking also changes.