Save Gender Masculine Usage Dutch (Rare), Flemish, Limburgish Pronounced Pron. /ˈtjø.kə/(Limburgish) [key·simplify] Meaning & History Diminutive of Tjeu, as it contains the diminutive suffix -ke. Also compare Thieuke.This name is strictly informal in Flanders and Limburg; it is not used as an official name on birth certificates.