Warmer

来自Big Physics

google

ref

Old English wearm (adjective), werman, wearmian (verb), of Germanic origin; related to Dutch and German warm, from an Indo-European root shared by Latin formus ‘warm’ and Greek thermos ‘hot’.


文件:Ety img warmer.png

wiktionary

ref 

warm +‎  -er
取自“https://www.bigphysics.org/index.php?title=Warmer&oldid=28348”