| 1 | Irish | deoise | diocese |
| 2 | Old French | diocese | — |
| 3 | Latin | diocēsis | — |
| 4 | Latin | dioecēsis | — |
| 5 | Ancient Greek | διοίκησις | housekeeping, control, government,... |
| 6 | Ancient Greek | διοικέω | — |
| 7 | Ancient Greek | οἰκέω | I inhabit; I colonize, settle in; I manage,... |
| 8 | Ancient Greek | οἶκος | house or dwelling place; estate, inheritance;... |
| 9 | Ancient Greek | -λογία | Base for nouns denoting the study of something,... |
| 10 | Ancient Greek | λόγος | That which is said: word, sentence, speech,... |
| 11 | Ancient Greek | λέγω | I put in order, arrange, gather; I choose, count,... |
| 12 | Proto-Indo-European | leǵ- | to gather, collect, with derivatives meaning to... |