Possible Clues:

• Linguistic root
• Word origin
• Earlier form of a word
• My note about true origin of word
• Old foreign school welcoming review? My word - that's derived from another!
• Note my oddly original word
• The true origin of a word
• A word or morpheme from which a later word is derived
• Older form of a word
• Alien at end of July finds man in Scotland with earlier form of The Word