Sheshach = "thy fine linen" another name for Babylon apparently taken from the goddess 'Shach' Another name of ba.vel (בָּבֶ֫ל, בָּבֶל "Babylon" H0894)
STRONG'S WORD STUDY
H8347 — שֵׁשַׁךְ
she.shakh · Babylon · Hebrew/Aramaic
2 tagged verse occurrences
Jeremiah 25:26 · שֵׁשַׁ֖ךְAnd all the kings of the north, The near and the far off, one unto another, And all the kingdoms of the earth, That are on the face of the ground, And king Sheshach drinketh after them.Jeremiah 51:41 · שֵׁשַׁ֔ךְHow hath Sheshach been captured, Yea, caught is the praise of the whole earth, How hath Babylon been for an astonishment among nations.