“Homesickness
suddenly became a common topic of discussion in the nineteenth century. The word did not enter the English language until the late eighteenth century, and it did not appear in any of the source materials studied here until 1806. Then, within a few years, comments like ‘I begin to feel homesick’ and ‘I am a little homesick’ became commonplace.”
from E. Anthony Rotundo’s American Manhood.