Where does “Fitzwilliam” come from?
Fitzwilliam is an English surname combining the Old French fitz (son of) with the personal name William, ultimately derived from Latin filius (son) and Proto-Indo-European dʰeh₁y-li-os.
Fitzwilliam (English): OS grid ref SE4115
Definitions
- OS grid ref SE4115
Ancestry of “Fitzwilliam”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | Fitz- | Son of; especially used for the illegitimate sons... |
| 2 | Anglo-Norman | fitz | Alternative form of filz |
| 3 | Old Irish | du- | — |
| 4 | Sicilian | di | Used to indicate possession, after the thing owned and before the owner; of; ’s |
| 5 | Latin | dē | of; concerning; about |
| 6 | Latin | post | behind; after, since, besides, except; behind,... |
| 7 | Latin | poste | ablative singular of postis |
| 8 | Proto-Italic | posti | behind, after |
| 9 | Proto-Indo-European | pósti | after |
| 10 | Proto-Indo-European | pós | afterwards, post; by, at |