diocese[dī′ə sis, -sēz′]
diocese definition by Webster's New World
Origin: Middle English and amp; Old French diocise ; from Classical Latin diocesis, district, government (in Ecclesiastical Late Latin diocese) ; from Classical Greek dioikēsis, administration ; from dioikein, to keep house ; from dia-, through plush oikos, a house: see eco-
diocese definition by American Heritage Dictionary
Origin: Middle English diocise, from Old French, from Late Latin diocēsis, from Latin dioecēsis, jurisdiction, from Greek dioikēsis, administration, from dioikein, to keep house, administer : dia-, intensive pref.; see dia- + oikein, to inhabit (from oikos, house; see weik-1 in Indo-European roots).