Dictionary

at one's fingers' ends en · ADP

Meanings

1. Synonym of at one's fingertips.
   • The more business he got, the greater his power seemed to grow of getting at its pith and marrow; and however late at night he sat carousing with Sydney Carton, he always had his points at his fingers' ends in the morning. 1859, Charles Dickens, A Tale of Two Cities, London: Chapman and Hall, […], →OCLC:

Synonyms

at one's fingertips