Marked or covered with freckles; having become freckled, as if frecken has acted upon the skin.
From 'frecken' plus the past participle suffix '-ed'. This stacked-suffix construction ('freck' + '-en' + '-ed') shows how Old English built words in layers.
'Freckened' is built in layers like a word sandwich: freck (noun) + en (make it a verb) + ed (past tense), and you can actually watch this three-step process in how the language constructs meaning.
Complete word intelligence in one call. Free tier — 50 lookups/day.