noodle around

Jennifer WeinerのFly Away Homeを読んでいます。
She kept track of his phone calls and appointments, his meetings with lobbyists and staffers, and kept the reporters who still occasionally called the house phone at bay. “I’m sorry,” she would say in a coolly adult voice that sounded like her sister’s, “the senator is unavailable.” When she wasn’t cleaning and cooking, she noodled around, editing the pictures she’d taken in Philadelphia.
"noodle" は名詞の麺の意味しか知りません。動詞の "noodle" を調べます。
・McGraw-Hill Dictionary of American Idioms and Phrasal Verbs: to wander around; to fiddle around with something. I couldn't find the instructions so I spent the afternoon noodling around, trying to find out how it worked. I noodled around until I found the right address.
・Dictionary.com: Informal. to play, experiment, or improvise.: In 1998, Joel Thomas Zimmerman was 16 years old, noodling around with vintage DOS music software like Impulse Tracker.
"noodle" に何故こんな意味があるのか気になったのでOnline Etymology Dictionaryをみると次の説明がありました。
1937 (implied in noodling), from noun meaning "improvised music," 1926, probably from noodle (n.), on analogy of the suppleness of the food and that of the trills and improvised phrases in jazz improvisations. Related: Noodled.