IPA: /ˈskɛr.sli/
KK: /ˈskɛrslɪ/
Almost not or hardly; used to describe something that happens to a very small degree or is barely the case.
We scarcely made it to the meeting on time.
Scarcely is formed from "scarcus" (from Old French *escarc*, meaning rare or insufficient) and the suffix "-ly" (meaning in a manner of). The word "scarcely" means in a manner that is rare or insufficient, indicating something that is hardly or barely present.
Think of something that is 'rare' or 'insufficient' — that's what 'scarcely' means, indicating that something is hardly there.