An Etymological Dictionary of the German Language/Annotated/tunken
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tunken, verb, ‘to dip, steep, soak,’ from Middle High German tunken, dunken, Old High German tunchôn, dunchôn, weak verb, ‘to immerse.’ The Old High German variant thunkôn leads to a Gothic *þugkôn, which must be allied to Latin tingere, ‘to moisten, dip,’ and to Greek τέγγω, ‘to soften, moisten.’ Hence tunken cannot be connected with tauchen.