great achievements; glorious deeds
Formal, somewhat literary term for outstanding accomplishments, often used in historical or biographical contexts.
His great achievements are engraved in history.
先人の偉績をたたえる。
We honor the glorious deeds of our predecessors.
Compound of 偉 (great, admirable) and 績 (achievements, results). The exact historical derivation is uncertain, but the kanji combination directly conveys 'great achievements'.