thereat

Adverb

thereat (not comparable)

1. There; at that place.
   • So she goeth around the hill compassing
     Time with me goes slow. -
     So there openeth a door, and thereat goes she in.1828, Thomas Keightley, The Fairy Mythology, volume I, London: William Harrison Ainsworth, page 174
   • “Surely,” said I, “surely that is something at my window lattice; / Let me see, then, what thereat is, and this mystery explore—1845 February, — Quarles [pseudonym; Edgar Allan Poe], “The Raven”, in The American Review, volume I, number II, New York, N.Y.; London: Wiley & Putnam, […], →OCLC
2. At that event.
   • Old Deacon Smith was quick to see the impression made by Abby Howard upon the mind of his son, and he was wonderfully pleased thereat, for Abby was the oldest daughter of the good Deacon Howard, and was herself a church member, and pious. He had more hope for his son now, than he had felt for years.1850, T. S. Arthur, “Deacon Smith and his Violin”, in Sketches of Life and Character, Philadelphia: J. W. Bradley, →OCLC, page 74
   • Then said the gods, “Earth is no place for laughter.” Thereat They strode to Pegāna’s outer gate, to where the Pestilence lay curled asleep, and waking him up They pointed toward Harza, and the Pestilence leapt forward howling across the sky.1906, Lord Dunsany [i.e., Edward Plunkett, 18th Baron of Dunsany], Time and the Gods, London: William Heineman, →OCLC, page 25