Novel: Quicksand
Passage: How her maladjustment had
bothered him I She had a faint notion that it
was behind his ready assent to her suggestion
anent a longer engagement than, originally, they
had planned.
Definition: About
http://www.merriam-webster.com/dictionary/anent
Understanding: Helga is talking about how they thought her engagement was longer then they had planned on it being.