Old English cnedan "to knead, manipulate by squeezing or pressing," from Proto-Germanic *knedan (source also of Old Saxon knedan, Middle Dutch cneden, Dutch kneden, Old High German knetan, German kneten, Old Norse knoða "to knead"). Originally a strong verb (past tense cnæd, past participle cneden). For pronunciation, see kn-. The evolution of the vowel is unusual. Related: Kneaded; kneading.