/sin"suyn/ , adv. Scot. and North Eng.
from that time; since then.
[ 1325-75; Scots and N dial. sin subsequent to, after (ME, var. of sithen, OE siththan SITH) + SYNE; r. ME (Scots) sensyne ( sen, var. of sethen, var. of sithen; see SINCE) ]
/sin"suyn/ , adv. Scot. and North Eng.
from that time; since then.
[ 1325-75; Scots and N dial. sin subsequent to, after (ME, var. of sithen, OE siththan SITH) + SYNE; r. ME (Scots) sensyne ( sen, var. of sethen, var. of sithen; see SINCE) ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012