Parashas Bo · Shemos 12:9 · TT note 3
Torah Temimah on Shemos 12:9, note 3 (on נָא) points to Pesachim 41a.
Sefaria — Exodus 12:9
Sefaria — Torah Temimah on Exodus 12:9
Sefaria — Pesachim 41a
E-Daf — Pesachim 41a
English: What is the case of “na”? Rav said: As the Persians say “abarnim” — [meat that has only begun to take the fire, lightly roasted and not yet fit to eat].
Lexical definition of the forbidden state of underdone roast.
“Na” means meat only lightly touched by the fire, not yet properly roasted.