pendule1
/pɒ̃ˈdjuːl/ /pɒnˈdjuːl/noun
1 Mountaineering. A swinging movement used by a climber.
2More fully pendule clock, a (usually small and ornamental) timepiece with a pendulum. Also more generally: any clock.
Origin
Late 16th century (in an earlier sense). In sense 1 probably from post-classical Latin pendulum hanging ornament, use as noun of neuter of classical Latin pendulus hanging down; compare French pendille.
pendule2
/ˈpɛndjuːl/ /ˈpɛndʒuːl/rare
verb
[with object] (refl.). To propel oneself by means of swinging. Also without object ( Mountaineering ): to perform a pendulum.
Origin
Late 19th century; earliest use found in George MacDonald (1824–1905), poet and novelist. Perhaps from pendulum with omission of the ending. Compare French penduler. Compare slightly later pendulum.