Source of some wax Crossword Clue

 The answer to the crossword clue "Source of some wax" can be BEE.

Bees produce wax from a substance called cerumen, which is secreted by glands in their abdomens. The wax is used to build honeycombs, which are the structures where bees store honey and pollen.

Other possible answers to the clue include:

Earwax

Plants (some plants, such as carnauba palms, produce waxy coatings on their leaves and stems)

Insects (other insects, such as scale insects, also produce wax)

Minerals (some minerals, such as paraffin wax, are naturally occurring waxes)

The specific answer that is correct will depend on the context of the crossword puzzle.