clever, cunning ...c1200 obs.
from early Middle English smēgh, related to Old English sméagan to consider
FIRST DOCUMENTED USE
c1200 - see EXAMPLE below
"...Ðe man is ȝiep to-ȝenes him seluen; þat is smegh oðer man to bicharren. and to bi-swiken and his aȝene wille to fremen..."
From: Old English Homilies of the Twelfth Century;
from the unique manuscript B.14.52. in the library of Trinity College, Cambridge