σάββατ

From LSJ

ζηλοῦτε δὲ τὰ χαρίσματα τὰ μείζονα. Καὶ ἔτι καθ᾽ ὑπερβολὴν ὁδὸν ὑμῖν δείκνυμι (1 Corinthians 12:31) → But go ahead and strive for the greater gifts. And I'm about to show you a still more excellent way.

Source

German (Pape)

[Seite 856] τό, = σάββατον; Med. 83 (V, 60) bildet den dat. plur. σάββασι.