幾いくねんにもわたる幾年にもわたる表記・読み:幾年にも渡る・幾年にも亘る・幾年にも亙る・いくねんにもわたる1extending over a number of yearsexpressions (phrases, clauses, etc.)noun or verb acting prenominallyrare term札へ残す語をコピー