ἔμπυκνος

From LSJ

ἐγώ εἰμι τὸ ἄλφα καὶ τὸ ὦ, ὁ πρῶτος καὶ ὁ ἔσχατος, ἡ ἀρχὴ καὶ τὸ τέλος → I am the Alpha and the Omega, the first and the last, the beginning and the end

Source

Spanish (DGE)

-η, -ον apretado, compacto χιών Alex.Aphr.Pr.3.24.