Definition of "hysterics"

But when they went to tread down the earth, it seemed to her like sacrilege; and, forgetting every thing in one strong emotion, she sprang forward to prevent it. The effort was too much; and, for the first time, she sank back in the arms of the servants in strong hysterics!

1837, L[etitia] E[lizabeth] L[andon], “The Last Night with the Dead”, in Ethel Churchill: Or, The Two Brides. […], volume II, London: Henry Colburn, […], page 317