Titanic

google

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mid 17th century (in the sense ‘relating to the sun’): from Greek titanikos, from Titan (see Titan).

wiktionary

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Titan +‎  -ic

titan(ium) +‎  -ic

etymonline

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titanic (adj.)

"gigantic, colossal," 1709, from titan + -ic. The British passenger liner R.M.S. Titanic sank April 15, 1912, and the name became symbolic of the destruction of supposedly indestructible.