An archaic or rare form meaning relating to Asia or its peoples, customs, and cultures.
From 'Asian' (from Greek 'Asia,' the continent) + '-ical' suffix (from Latin -icalis), an older way of forming adjectives that was common in English before 'Asian' alone became standard.
This word is a linguistic fossil—English once loved adding '-ical' to everything (we still say 'typical' and 'practical'), but for geographical adjectives we eventually simplified to just 'Asian,' showing how languages naturally trim unnecessary complexity.
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