Titanium

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late 18th century: from Titan, on the pattern of uranium .

wiktionary

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From Titan +‎ -ium.

etymonline

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titanium (n.)

metallic element, 1796, Modern Latin, named in 1795 by German chemist and mineralogist Martin Heinrich Klaproth (1743-1817) from Latin Titan (see titan) as "sons of the earth." He previously had named uranium. A pure specimen was not isolated until 1887.