To puzzle out is to work something out by hard thought. Puzzle out the handwriting.
The effort is what the word carries, since nothing easy is puzzled out. To puzzle out an old document is half reading and half guessing at the shapes.
1phrasepuzzle outTo work something out by hard thought.
“It took an evening to puzzle out what the abbreviation meant.”
puzzle out is a phrase.
Practised in Phrasal Verbs