sinistrorsely

• a word derived from sinistrorse.
  sinistrorse

  adjective

  (from a point of view at the center of the spiral) rising spirally in a counterclockwise manner, as a stem (opposed to dextrorse).

More Suggestions

• sinistrous
• introrse
• ministroke
• sinistral
• sinistrality
• sinistro-
• sinistrocular
• antrorse
• intensely