Lemizh / English dictionary
to make an energy-per-mass unit, an energy per mass of 4.872 millijoules per kilogram or milligrays; but not millisieverts (see appendix, Units of measurement)
< NLem hahs‑a, academic loan of
< Ghe öshashssⁿ‑ə̄ /œʃaʃs̟s̟ɯː/ ‘power’
This is the only unit with a Ghean etymology. It was introduced to measure the heat of combustion and food energy, but is now also used for the dose of ionising radiation.