ยาเสพย์ติด • (yaa-sèep-dtìt)
From ยา (yaa, “drug”) + เสพย์ (sèep, “to eat”) + ติด (dtìt, “to be addicted; to be stuck”); literally "drug [which is] eaten and addicted to", "edible and addictive drug", or "drug [to which a person may be] addicted [upon] eating".