πρωτομάρτυς

From LSJ

τὰ σῦκα σῦκα, τὴν σκάφην δὲ σκάφην ὀνομάζειν → call a spade a spade | speak the truth | speak straight from the shoulder | give it straight from the shoulder | give the straight goods | not to mince matters | not to mince words | not mince words | call things by their right names | call a spade a spade and a shovel a shovel | call a shovel a shovel | call a spade a spade, not a big spoon

Source

Greek (Liddell-Scott)

πρωτομάρτυς: (καὶ πρωτομάρτῠρ), -ῠρος, ὁ, ὁ πρῶτος μάρτυς, περὶ τοῦ Ἁγίου Στεφάνου καὶ Ἁγίας Θέκλης, Ἐπιφάν. Ι. 321Α, Ἀπόκρυφ. Πράξ. Παύλου καὶ Θέκλ. σ. 63, Εὐάγρ. 2612Β, Δαμάσκ. ΙΙ, 253C, Ὡρολόγ. τὸ μέγα Δεκεμβρ. 27 καὶ Σεπτεμβρ. 24.