| 1 | English | phycology | The scientific study of algae |
| 2 | English | logy | Slow to respond or react; lethargic; A term... |
| 3 | Dutch | log | lumbering, inert, slow in movement; immobile;... |
| 4 | English | log | The trunk of a dead tree, cleared of branches;... |
| 5 | Middle English | logge | large long stick, staff, pole, log |
| 6 | Old French | loge | arbor, covered walk-way; arbour, covered walk-way |
| 7 | Latin | laubĭa | — |
| 8 | Frankish | laubijā | shelter; arbour; shelter, arbour; arbour, shelter |
| 9 | Proto-West Germanic | laub | leaf; foliage |
| 10 | Proto-Germanic | laubą | leaf |
| 11 | Proto-Indo-European | lewp- | peel, break off; to flake off, peel, damage; to... |
| 12 | Proto-Indo-European | lew- | dirt, mud; to cut, remove, prune, separate; to... |