Which preposition to use with whereat
Ho, Rogerkinloose off!" Came the thudding crash of a powerful mangonel, whose mighty beam, swinging high, hurled aloft the bulging wine-skin, the which, bursting in mid-air, deluged with water all belowprior and monk, acolyte and chorister; whereat from all Belsaye a shout went up, that swelled to peal on peal of mighty laughter, the while, in stumbling haste, the dripping Prior was borne by dripping monks back to Duke Ivo's mighty camp.
Whereat at last the archer cried: "Good lack, Roger, and wherefore puff
Whereat for the time was great laughing, and this poor man, for his losses, among his loving neighbours well considered in the end.
Whereat in wrath the evil Klingsor swore That if he could not serve the Holy Grail, The Holy Grail should serve him by its power; And he would seize it in his own right hand,
Whereat through all Anna's frame ran despair, crying, "He has asked her!
I cried:whereat to me He spoke in minor clef "He cannot learn his A, B, C, Because he's D, E, F." New Monthly Magazine.