ichidan verb, transitive verb
finish dyeing; dye completely
Used when dyeing something thoroughly or to completion. Often implies a careful or deliberate process.
職人が布を美しい藍色に染め上げた。
The artisan dyed the cloth a beautiful indigo.
Standard kanji spelling.
染める is the general verb for dyeing. 染め上げる adds the nuance of completing the dyeing process or dyeing something thoroughly.
Compound of 染め (continuative form of 染める 'to dye') + 上げる 'to finish, complete'.