for-thy

Middle Scots

Etymology

From Middle English forthy, from Old English forþȳ, for þȳ [þe] (“because [that]”), forþon (“because, since”), from for + þȳ, þon (“by that, therefore”), instrumental case of þæt (“that”); Cognate with Yola farthoo (“why”), Old Norse fyrir því (at) (Danish & Norwegian fordi (“because”), Swedish för att). More at for, the, that.

Adverb

for-thy

1. For this reason; because of this; therefore; consequently.
   • 1420, Ratis Raving, 'And other early Scots poems on morals'

     Be war, my veddyt sone for-thy. And treit thi wyf rycht tendyrly

     Be aware, my beloved son. And treat your wife very tenderly