spondee

The story

1. Ancient Greek · derived fromσπονδεῖος“associated with a libation”
2. Latin · derived fromspondēus“spondee”
3. English todayspondee

From Latin spondēus (“spondee”), from Ancient Greek σπονδεῖος (spondeîos, “associated with a libation”) from σπονδή (spondḗ, “libation”): spondees were often used in melodies sung at libations.