Po
来自Big Physics
late 19th century: from French pot de chambre ‘chamber pot’.
wiktionary
From Middle English po (found also in pocock), from Old English pāwa, pēa(“peacock”), from Proto-Germanic *pawô(“peacock”), from Latin pāvo. Cognate with Dutch pauw, German Pfau. See also peacock.
A diminutive of pot.
etymonline
Po
large river in northern Italy, from Latin Padus, a name of Celtic origin.
