Duhoux 2008: 'beaker', cf. δέπας "vowel alternation (dipas ~ δέπας) suggests that this word may be a loan."
Chadwick & Ventris 1973: vessel, cf. δέπας (Iliad XI, 632+) "often in early use a large vessel, not a drinking cup"
Chadwick & Ventris 1973: nominative dual of di-pa
Homeric Greek (Other Inflections)
Iliad IV.3: χρυσέοις δεπάεσσι 'golden goblets'
Iliad VIII.160: πλείοις δεπάεσσι 'full cups'
Iliad IX.176: δεπάεσσι 'cups'
Chadwick, John and Michael Ventris, 1973 Documents in Mycenaean Greek
Duhoux, Yves, 2008 A Companion to Linear B: Mycenaean Greek Texts and their World vol. I (ed. Yves Duhoux and Anna Morpurgo Davies) "Mycenaean Anthology"
Homer, 2003 Iliad (trans. A.T. Murray, ed. William F. Wyatt)