Makhul was asked about the meaning of words ghassala and ightasala (that occur in tradition 345) and he said: one should was one's head and body well (and not than one should makes one's wife wash).
Hadith Referenceسنن ابي داود / كتاب الطهارة / 349
Hadith Gradingالألبانی:صحيح مقطوع | زبیر علی زئی:إسناده صحيح
Hadith Takhrij« تفرد به أبو داود، (تحفة الأشراف: 19471) (صحیح) »