H3477H–יָשָׁר–ya.shar

The sun stood still, and the moon stayed, Until the nation had avenged themselves of their enemies. Isn't this written in the book of Jashar? The sun stayed in the midst of the sky, and didn't hurry to go down about a whole day.

הַיָּשָׁ֑ר (יָּשָׁ֑ר) ya.Shar “Jashar”

(and he bade them teach the children of Judah [supplied: the song of] the bow: behold, it is written in the book of Jashar):

הַיָּשָֽׁר׃ (יָּשָֽׁר) ya.Shar “Jashar”