dye
noun
[ dʌɪ ]
• a natural or synthetic substance used to add a colour to or change the colour of something.
• "blonde hair dye"
dye
verb
• add a colour to or change the colour of (something) by soaking it in a solution impregnated with a dye.
• "I dyed my hair blonde"
Origin:
Old English dēag (noun), dēagian (verb). The noun is not recorded from Old English to the late 16th century, when it was re-formed from the verb.