δίφραξ

ακος, άδος, ἡ
A. seat, chair, Theoc. 14.41:—also διφρ‐άς, άδος, ἡ, Hom. Epigr. 15.8 (v.l. δίφρακα).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project