Middle English word rook comes from Proto-Germanic *hraukaz (Haystack. Pile (of stones); heap.), Proto-Indo-European *rewg-, Proto-Indo-European *rowgi-, Proto-Indo-European *rukn-, Old Norse *rauk, Latin crescendum, Old English *rocc (Rock.), Middle Dutch rocke, Middle Persian lhw'
| Dictionary entry | Language | Definition |
|---|---|---|
| *hraukaz | Proto-Germanic (gem-pro) | Haystack. Pile (of stones); heap. |
| *rewg- | Proto-Indo-European (ine-pro) | |
| *rowgi- | Proto-Indo-European (ine-pro) | |
| *rukn- | Proto-Indo-European (ine-pro) | |
| *rauk | Old Norse (non) | |
| crescendum | Latin (lat) | |
| *rocc | Old English (ang) | Rock. |
| rocke | Middle Dutch (dum) | |
| lhw' | Middle Persian (pal) | |
| hraukr | Old Norse (non) | |
| *hrouk | Old Dutch (odt) | |
| *rukkô | Proto-Germanic (gem-pro) | Spinning wheel, distaff. |
| رخ | Persian (fas) | Cheek. Face (chess) rook. Castle. |
| *raukiz | Proto-Germanic (gem-pro) | Smoke, vapour. |
| *rocca | Old English (ang) | |
| *kor- | Proto-Indo-European (ine-pro) | |
| sincerus | Latin (lat) | Clean, pure, sound.. Genuine, sincere.. Real, natural.. Uninjured, whole. |
| roc | Old French (fro) | (chess) rook. |
| rouc | Old Dutch (odt) | |
| *rōk | Old Dutch (odt) | |
| *krok- | Proto-Indo-European (ine-pro) | |
| *hrōkaz | Proto-Germanic (gem-pro) | Rook, crow. |
| hrōc | Old English (ang) | |
| rooc | Middle Dutch (dum) | Smoke. Vapour. |
| rocke | Middle English (enm) |