ἕδρα

Etymology
From, from , from (whence  and many others).

Noun

 * 1) seat, chair, stool, bench
 * 2) seat, abode, throne
 * 3) seat, place, base
 * 4)  quarters of the sky in which omens appeared
 * 5) seat of a physiological process
 * 6) back
 * 7) the act of sitting
 * 8) sitting still, inactivity, delay
 * 9) position
 * 10) sitting, session
 * 11) seat, breech, fundament
 * 12)  rump
 * 13)  face of a regular solid