Possible Clues:

• Latin law primarily explains Middle East language unit
• A unit of language, the meaning of which cannot be understood from a subset of its components
• Meaningful language unit
• Language unit rejected spreadsheet program, spurning college author
• In linguistics, a word or other essential unit of vocabulary in its most abstract sense
• Looking back at 1040, the Romans may have uttered such limited language!
• Dictionary entry
• Basic language of Roman law used by English author