age of a tree
Used in formal, scientific, or news contexts to refer to the age of a tree, often estimated from rings or historical records.
The cedar at this shrine is said to be over a thousand years old.
We counted the tree rings to determine its age.
This cedar is said to be 1,000 years old.
An expert estimated the age of the tree.
The tree's age was determined through an examination of its growth rings.
樹齢 names the age of a tree in years, while 年輪 is the physical ring pattern that reveals that age.
樹木 shares the kanji 樹 and means 'tree' itself, whereas 樹齢 is the age of that tree, not the tree.
Compound of 樹 (ju, 'tree') and 齢 (rei, 'age'). A straightforward Sino-Japanese word.