Characteristic of or resembling archaic language, style, or customs; old-fashioned or antiquated in manner.
From Greek 'archaikos' (of or from the beginning) + English suffix '-al,' describing things that seem to belong to an earlier historical period.
The word itself sounds archaic when you say it—'archaical' sounds more formal and old-timey than just saying 'archaic,' which is kind of a joke since the word exists to describe old-fashioned things!
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