词源 |
pedometer n.instrument for measuring distances covered by a walker, 1723, from French pédomètre, a hybrid coined from Latin pedis (genitive of pes "foot," from PIE root *ped- "foot") + -meter, from Greek metron "a measure" (from PIE root *me- (2) "to measure"). At first Englished as waywiser. Related: Pedometric. updated on March 14, 2020 |