English
Lake Champlain
From lake + Champlain (“Samuel de Champlain”).
The story
Named after Samuel de Champlain, French explorer.
Today it means
name A north–south running lake surrounded by the Champlain Valley, in upstate New York, Vermont and southern Quebec, spanning the United States and Canada, mostly lying within the U.S.; separating the Adirondacks from the Green Mountains and Appalachians.
Language periods are conventional ranges, not dates for this word.
Etymograph / Lake Champlain