expression
even that; even that thing
Emphasizes that even the thing just mentioned (それ) is included or applicable, often with a nuance of surprise or unexpectedness. Used in negative or limiting contexts.
彼は簡単な漢字それすら読めない。
He can't even read simple kanji.
忙しすぎて、昼食をとる時間それすらなかった。
I was so busy that I didn't even have time to eat lunch.