musical

From Middle English musical, borrowed from Old French, which came from Medieval Latin mūsicālis. That in turn was built from Latin mūsica ("music") plus the adjective-forming suffix -ālis — essentially "music" + "-al."

The word has stayed close to its root meaning throughout: it simply turns "music" into a descriptive quality, marking something as related to or full of music.

It shares its base directly with the word "music" itself, plus the common adjective suffix "-al," also seen in words like "natural" or "tropical."