“ruddy” means red. Pale complexion is the northern european meaning of the word. The Egyptians weren’t pale and considered themselves “red” as compared to the peoples south of them which they depicted as black.. Given that the Jews spent centuries in Egypt, I opt for that meaning.
Since the Word came from The Hebrew, it would be by necessity, the origin and source, to gain the intent and purpose , it was given to Moses directly from the Creator, to understand what is being given.
The so called ‘Old Testament’ is His story, of linage and the other peoples they came in contact.