Are you speaking of https://www.openstreetmap.org/way/98328700 which is about 1 km away from you note?
This Châlet has been called like that for 12 years: https://www.openstreetmap.org/way/98328700/history/2
There are 65 nodes and 8 ways containing "hâlet" in their name in Switzerland: https://osm.li/5Cf