Bailly
ποτι·δόρπιος, v. *προσδόρπιος.
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LSJ
ον, Ep. form of προσδόρπιος (which is not found), of or serving for supper, ὄβριμον ἄχθος ὕλης…, ἵνα οἱ ποτιδόρπιον εἴη that it might serve to dress his supper, Od. 9.234, cf. 249; ὕδωρ A.R. 1.1209; τὰ π., = τὰ προσσίτια, Hsch.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)