Students used old Hebrew newspapers and concocted lessons themselves when no Jewish teachers could be found.

CNN: The Ghosts of Shanghai

The iron-and-carbon-based ink used in one of the oldest Hebrew commentaries on the Old Testament is an example of this.

ECONOMIST: Monitor

It's specific to Sephardic Jews and based on old Spanish, with words borrowed from Hebrew and the many countries in which they have settled since.

BBC: Sephardic Jews invited back to Spain after 500 years

It is a commonplace of Jewish-Christian dialogue that both have a common root in the Hebrew Scriptures which Christians call the Old Testament.

ECONOMIST: Christians and Jews

Most traditional hummus places are housed in old buildings, often hidden down alleyways and with signs only in Hebrew or Arabic.

BBC: Hunting for hummus in Israel

The boy Shamir had dreamed of this place so much educated in Hebrew in the depths of the Polish forest, his mind teeming with Old Testament heroes that when he arrived there in 1935, aged 20 and alone, he was immediately at home.

ECONOMIST: Yitzhak Shamir