Where does “Székely Land” come from?

Székely Land (English) comes from Hungarian Székelyföld, from Hungarian Székely, from Hungarian székely — Székely, Szekler a member of a subgroup of the Hungarian people living mostly in the Székely Land in present-day Romania.

Ancestry of “Székely Land”, step by step

Step	Language	Word	Meaning
1	Hungarian	Székelyföld	Székely Land historic and ethnographic area in Romania, inhabited mainly by Székelys
2	Hungarian	Székely	Székely, Szekler a member of a subgroup of the Hungarian people living mostly in the Székely Land in present-day Romania
3	Hungarian	székely	Székely, Szekler a member of a subgroup of the Hungarian people living mostly in the Székely Land in present-day Romania

Every word from Hungarian székely →Every word from Hungarian Székely →Every word from Hungarian Székelyföld →