δολιογνώμων

From LSJ

τοῦ δὲ πολέμου οἱ καιροὶ οὐ μενετοί → in war, opportunities won't wait | the chances of war will not wait (Thucydides 1.142.2)

Source

Spanish (DGE)

-ον
taimado, engañador glos. a δολομήχανος Lex.Gr.Naz.δ 95.