Possible Clues:

• A scholar disheartened by mediocre grade in foreign language
• Like 0 through 9, e.g.
• Such a bar is back, I see, and is foreign, in a manner of speaking
• Like 1, but not I
• The language of mathematical numbers?
• Like numerals one, two, three etc.
• Language from which 'hashish' comes
• Heartless teacher of religion in current language
• It's the tongue that makes the bits of crab A1
• Might a 22 across turn up in ICA, in a manner of speaking?