NOSTALGIA
nostalgia
(noun) longing for something past
Source: WordNet® 3.1
Etymology
Noun
nostalgia (countable and uncountable, plural nostalgias)
A longing for home or familiar surroundings; homesickness.
A bittersweet yearning for the things of the past.
Reminiscence of the speaker's childhood or younger years.
Synonyms
• nostalgy
Antonyms
• nostopathy
• nostophobia
Anagrams
• analogist, antigoals, galtonias
Source: Wiktionary
Nos*tal"gi*a, n. Etym: [NL., fr. Gr. (Med.)
Definition: Homesickness; esp., a severe and sometimes fatal form of
melancholia, due to homesickness.
Source: Webster’s Unabridged Dictionary 1913 Edition