adverb
Used in negative contexts to mean 'not particularly' or 'not so much'. Similar to さほど, but more literary or old-fashioned.
See also: さほど
彼の話はさのみ面白くはなかった。
His story was not particularly interesting.
adverb
Archaic usage meaning 'in this way' or 'generally'. Not used in modern Japanese.
古語では「さのみ」を「このように」の意味で用いた。
In classical Japanese, さのみ was used to mean 'like this'.