?a1425 (c1400) (Titus C.xvi) (1919) 193 (MED) Men seen him often sithes, now in o colour & now in anoþer colour.
a1475 (Lansd.) (Ph.D. diss., Univ. of Washington) (1965) 1716 (MED) Shal a man þat curteis is Goo visite his frende often siþes?
1568 R. Henryson in W. T. Ritchie (1930) IV. 126 Thus it happin oftin [?a1500 happinnis mony] syis.