πουλβῖνον

τό
A. pulvinus, cushion, bolster, Sammelb. 1.10 (iii A.D.), dub.l. in Arr. Epict. 3.23.35: also Dim. πουλβινάριον, prob. in Gloss.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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