lämpöpumppu (Finnish) comes from Finnish pumppu, from Swedish pump, from German Pumpe, from Middle Low German pumpe, from Middle Dutch pompe — device for raising water, pump; pipe, water...
lämpöpumppu (Finnish): A heat pump
Definitions
A heat pump
Ancestry of “lämpöpumppu”, step by step
lämpöpumppu traces back through two separate lines of ancestry.