köken: Etymology tree Proto-Indo-European *kap- Proto-Indo-European *káput Proto-Italic *kaput Latin caput Vulgar Latin capus Old Italian capo Proto-Indo-European *ǵʰḗrder. Latin ērīcius Old Italian riccio Old Italian caporiccio Italian capriccio From earlier caporiccio, from capo + riccio, literally “curly head”. People believed that curly hair was a sign for a capricious and unruly character.
köken: Unknown. Possibly from oikea (“straight; right”), formed when, for example, a draught (or pulling) animal has refused to follow the desired path and continued straight ahead. Possibly related to oivaltaa, compare päähänpisto.