noun
brushwork; penmanship; handling of a brush or pen
Refers to the skill or manner of using a brush or pen, especially in calligraphy, painting, or writing.
彼の筆遣いはとても繊細だ。
His brushwork is very delicate.
書道では筆遣いが重要です。
In calligraphy, brush handling is important.
Compound of 筆 (fude, 'brush') and 遣い (zukai, 'use, handling'). The reading づかい is a rendaku form of つかい.