Latin- Diminutive of Catherine: Pure, clear. Form of the Latin 'Katharina', from the Greek 'Aikaterina'. It was borne by a number of saints, including St Catherine of Alexandria, a 4th century martyr who suffered torture on a spiked wheel.
Irish - Observant; alert; vigorous. Famous Bearer: radio personality and voice of 'Scooby-Doo' (cartoon dog) Casey Kasem/ Brave; Vigilant.
Greek- Honorable. Biblical; .
It means Brave and vigorous, and comes from the origins of Irish and Celtic.
It means brave