Other forms: alders
An alder is a tree that grows in wet ground. Alder by the river, an alder wood, alder cones.
It fixes nitrogen at its roots, which lets it grow where little else will and enriches the soil for what follows. Its timber does not rot under water, and much of Venice stands on alder piles.
1nounalderA tree that grows in wet ground.
“Alders lined the riverbank, their roots reaching into the water.”
alder is a tree.
Old English alor names the tree, from a Germanic root shared across northern Europe.
Proto-Germanic
*aluz, *alusō, *alizō, *alisō
Proto-West Germanic
*aliʀu
Old English
alor
Middle English
aldre
English, today
alder
Middle English aldre, alder, aller, from Old English alor, from Proto-West Germanic aliʀu, from Proto-Germanic *aluz, alusō, alizō, alisō*.
Etymology from Wiktionary, CC BY-SA