ἄβδελλον
From LSJ
Μετὰ τὴν δόσιν τάχιστα γηράσκει χάρις → Post munera cito consenescit gratia → Gleich nach der Gabe altert äußerst schnell der Dank
Spanish (DGE)
ταπεινόν Hsch.
Frisk Etymological English
Grammatical information: adj.
Meaning: ταπεινόν H.
Other forms: Hesychius also has ἄβελλον with the same meaning; Latte rejects it as a corruption of the other form, which is unnecessary.
Origin: PG [a word of Pre-Greek origin]
Etymology: Fur. 167. If βδ\/β is real, it is a Pre-Greek word, which is probable anyhow for the form with βδ.