Posh! > A popular folk etymology holds that the term is an acronym for "port out, starboard home",[4] describing the cooler, north-facing cabins taken by the m

Posh! > A popular folk etymology holds that the term is an acronym for "port out, starboard home",[4] describing the cooler, north-facing cabins taken by the most aristocratic or rich passengers travelling from Britain to India and back. However, there is no evidence for this claim [https://en.wiktionary.org/wiki/posh https://en.wiktionary.org/wiki/posh]