Is it farther or further?
late 14c., "spiritually allegorical, pertaining to mysteries of faith," from Old French mistique "mysterious, full of mystery" (14c.), or directly from Latin mysticus "mystical, mystic, of secret rites" (source also of Italian mistico, Spanish mistico), from Greek mystikos "secret, mystic, connected with the mysteries," from mystes "one who has been initiated" (see mystery (n.1)). Meaning "pertaining to occult practices or ancient religions" first recorded 1610s.
"exponent of mystical theology," 1670s, from mystic (adj.). In Middle English, the noun meant "symbolic meaning, interpretation" (early 14c.).
place name in Connecticut, U.S., deformed from Algonquian missituk "great tidal river," from missi "large" + -tuk "tidal river."
historic resort village in the town (township) of Stonington, New London county, southeastern Connecticut, U.S. It lies at the mouth of the Mystic River, opposite West Mystic. Settled in 1654, its name was derived from the Indian missituk ("great tidal river"). From the 17th to the 19th century it was a noted shipbuilding and whaling centre. Fast clipper ships were built there, and from its shipyards the first regular ironclad vessel, Galena, was launched in 1861. Mystic Seaport, a museum-village, reconstructs the sailing ship era, exhibiting along its waterfront the 19th-century whaler Charles W. Morgan (1841) and other ships, including the square-rigged Joseph Conrad (1882). A unique row of old sea captains' houses is preserved. Denison Homestead (1717) is a museum displaying lifestyles from colonial times to 1900, and Olde Mistick Village is a colonial-style recreation and shopping complex. Mystic Aquarium features more than 6,000 specimens, and its Marine Theatre is known for its dolphin and sea lion shows