| 1 | English | poly | Polytechnic; Polyethylene; Polyurethane |
| 2 | Latin | polium | Alternative form of polion |
| 3 | Latin | polion | A strong-smelling plant, perhaps Teucrium... |
| 4 | Ancient Greek | πόλιον | felty germander |
| 5 | Ancient Greek | πολιός | grey, grizzled, grizzly; bright, clear, serene; a... |
| 6 | Proto-Hellenic | poľľós | — |
| 7 | Proto-Indo-European | polH-yós | — |
| 8 | Proto-Indo-European | pelH- | pale, gray |