Exodus 16:36

King James Version (public domain)

Traditionally attributed to Moses · c. 13th century BC · The Pentateuch — Genesis, Exodus, Leviticus, Numbers, and Deuteronomy — is traditionally attributed to him

Now an omer is the tenth part of an ephah.

A parenthetical explanation of a unit of measure.

Context

34As the LORD commanded Moses, so Aaron laid it up before the Testimony, to be kept.

35And the children of Israel did eat manna forty years, until they came to a land inhabited; they did eat manna, until they came unto the borders of the land of Canaan.

36Now an omer is the tenth part of an ephah.