Władysław I the Elbow-high of Kujawy, however, as he had two older half-brothers from Casimir’s second marriage to Constance of Wrocław: Leszek II the Black ("Leszek Czarny") and Ziemomysł. He was named after his uncle, his mother's brother Władysław, Duke of Opole. Already in contemporary sources he was nicknamed ""Łokietek"", a diminutive of the word "łokieć". It translates as "elbow" or "ell" – a medieval unit of measure similar to a cubit, as in "elbow-high". The origin of this nickname, as resulting from Władysław’s short stature, was explained only in the 15th century by historian Jan Dlugosz. In 1267, when Władysław the Elbow-high was
Yup'ik clothing of toes to end of heel; foot (in length); "malruneq" (in Yup'ik) measurement of the width at their ends of the index finger and the middle finger held next to each other; "naparneq" (in Yup'ik) measurement from tip of extended thumb to opposite side fist; "patneq" (in Yup'ik) measurement, the width of the four fingers (thumb excluded) of one's hand; "pingayuneq" (in Yup'ik) measurement of the width at their ends of the index finger, the middle finger, and the ring finger held next to each other; "pupsuneq" (in Yup'ik) measurement from the thumb (outer edge of nail) to the second