v. Obs. [f. thow, THOU pers. pron. Cf. MHG. and Ger. dutzen, duzen, F. tutoyer, It. tuizzare, tizzare, med.L. tuāre, tuisāre.] trans. To address with the singular pronoun thou, to thou. Hence † Thowting vbl. sb.
c. 1440. Promp. Parv., 535/2. Þowton, or thowton [v.rr. þowtyn, yowtyn], tuo. Ibid., Þowtynge, or thowthynge, tuacio, vel tuatus.