well-wisher · noun1
From well (“in a desirable manner; so as one could wish”, adverb) + wisher.
well-wisher · noun2
From well (“hole sunk into the ground as a source of water, etc.”) + wisher.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Someone who extends good wishes, or expresses sympathy, to someone else. Full definition →
From well (“in a desirable manner; so as one could wish”, adverb) + wisher.
From well (“hole sunk into the ground as a source of water, etc.”) + wisher.
Etymology from Wiktionary, CC BY-SA 4.0.