▪ I. † nost
for ne wost, knowest not; see not v.2
a 1310 in Wright Lyric P. 102 When thou shalt deȝe, ner thou nost. c 1384 Chaucer H. Fame 2047 Nost nat thou That is betyd late or now? 1388 Wyclif Ecclus. xxxiii. 33 Thou noost whom thou schalt seke. 1390 Gower Conf. II. 61 Thou nost what chance schal betyde. |
▪ II. nost
obs. variant of oast.