Thermos
来自Big Physics
early 20th century: from Greek, literally ‘hot’.
wiktionary
From Thermos, a trademarked name, from Ancient Greek θερμός(thermós, “warm”).
From Ancient Greek θέρμος(thérmos).
etymonline
Thermos (n.)
trademark registered in Britain 1907, invented by Sir James Dewar (patented 1904 but not named then), from Greek thermos "hot" (from PIE root *gwher- "to heat, warm"). Dewar built the first one in 1892, but it was first manufactured commercially in Germany in 1904, when two glass blowers formed Thermos GmbH. Supposedly the company sponsored a contest to name the thing, and a Munich resident won with a submission of Thermos.
