attribution
noun [ U ] uk/ˌæt.rɪˈbjuː.ʃən/ us/ˌæt.rəˈbjuː.ʃən/
归因;归属;归属物
the act of saying or thinking that something is the result or work of a particular person or thing
The usual attribution of the work to Leonardo is now disputed by several experts. 一般认为这幅作品出自莱昂纳多的手笔，但现在这种说法受到了数位专家的质疑。