From 薬(くすり) (kusuri, “medicine”) + 漬(つ)け (tsuke, “soaking, pickling, 連(れん)用(よう)形(けい) (ren'yōkei, “stem or continuative form”) of the verb 漬(つ)ける (tsukeru, “to soak, to pickle”).”).
くすりづけ • (kusurizuke)