faint memory; vague recollection
Archaic form of うろ覚え. Used in older texts to describe a hazy or uncertain memory.
See also: うろ覚え
In old documents, it is written as 疎覚え, corresponding to modern うろ覚え.
The historical derivation is uncertain; the spelling 疎覚え is an archaic variant of うろ覚え, with 疎 possibly representing the 'vague' nuance.