e-dye [verb] [T] - to colour (cloth) by tying it in knots so that when it is put in a dye the tied areas absorb less colour and produce circular patterns when unfastenedThere are pictures of us in the sixties wearing flares and tie-dyed T-shirts.
TI
Meaning of TI in English
Cambridge English vocab. Кембриджский английский словарь. 2012