The story
- Middle English · inherited fromherne panne
- English todayharnpan
From Middle English herne panne, hern panne, equivalent to harn(s) (“brains”) + pan (“pan, forehead”). Cognate with Scots harn-pan (“harnpan”), Middle Dutch and Middle Low German hernepanne (“harnpan”), Dutch hersenpan (“harnpan”). Compare also Middle Low German panne (“pan, forehead”), Danish pande (“pan, forehead”), Swedish panna (“pan, forehead”).
Etymology from Wiktionary, CC BY-SA 4.0.