godan verb (-su), transitive verb
dye again; redye
Used when dyeing something a second time, often to change or refresh the color.
色があせたので、そのシャツを染め直した。
The color faded, so I redyed the shirt.
Standard kanji spelling.
Kana spelling of the second element; common in everyday writing.
染める means 'to dye' for the first time; 染め直す specifically means 'to dye again'.
Compound of 染め (continuative form of 染める 'to dye') + 直す ('to do again').