ὀμφᾰκ-ίζω,
to be unripe, properly of grapes, [[ “Geoponica” 5.43.3, +others ] Refs]; of olives, [[[prev. work]3.13.5 ] Refs]; of other fruits, [[ 1st c.AD: Dioscorides (Dioscurides) Medicus 2.159, 3rd c.AD: Philumenus Medicus cited in 6th c.AD: Aëtius Medicus 9.33 ] Refs 1st c.AD+]; of oil, [[ 2nd c.AD: Soranus Medicus 1.46, 50. ] Refs 2nd c.AD+]
__2 of a vine, bear sour grapes, [[ LXX.Isa.18.5. ] LXX]
__II in middle, Σικελὸς ὀμφακίζεται the Sicilian steals sour grapes, proverbial of one who will steal anything however worthless, [[ 5th c.BC: Epicharmus Comicus 239, compare 5th c.AD: Aristaenetus Rhetor 2.7. ] Refs 5th c.BC+]