It is an old adjective from skuqros , gloomy and oy, countenance . Second aorist active indicative and difficult to put into English as the aorist often is. In Jerusalem everybody was talking about Jesus . Imperfect active, we were hoping. From the bondage of Rome , no doubt.
Particles pile up to express their emotions.
Like Pelion on Ossa with them in their perplexity. A difficult idiom for the English. One is keeping this a third day. And he is still dead and we are still without hope . The second aorist active is intransitive.