[Avodah] sephira question

[Micha Berger]

R Chaim Manaster:
> This notion of the "virtual" count of day "zero" in arrears with the
> Chinuch's explanation leaves one wondering why it should be virtual? After
> all if the count is in arrears, and the work and anticipation of the
> mitzvos of the first day are now over, so why not count for real?...

What's the term in LhQ for "zero"?

"Hayom maschil"?

Besides, for all the talk of counting time since day 0, the count is
tied to the qorban omer, thus the name "sefiras ha'omer" which isn't
brought on day 0.

Tir'u baTov!
-Micha