Tinne is the Irish name of the eighth letter of the Ogham alphabet, ᚈ, meaning "ingot" or "iron bar".
In Old Irish, its phonetic value is [t].
In the medieval kennings, called Bríatharogam or Word Ogham the verses associated with Tinne is:
trian roith - "one of three parts of a wheel" in the Word Ogham of Morann mic Moín
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