yod

Otherwise ϝ would have been used for the vowel υ, just as the Phoenician consonant Yod became the vowel ι.

Do yo reckon, Capn, yod let me pilot the Restless out o this harbor and some o the way down the bay?

Being numbered ten, its Hebrew letter is Yod, the hieroglyphic meaning of which is the forefinger extended as a sign of command.

But the explanation of the Yod is to be fetched from Eccles.