nostomania

[ nos-tuh-mey-nee-uh, -meyn-yuh ]
/ ˌnɒs təˈmeɪ ni ə, -ˈmeɪn yə /

noun

intense homesickness; an irresistible compulsion to return home.

Origin of nostomania

1850–55; < Greek nósto(s) a return home + -mania