sinistrorsal
adjective
- adjective Rising spirally from right to left (of the observer) “sinistrorsal gyrations of a storm”
- adjective (botany) sinistrorse.
Synonyms
Etymology
From Latin sinistrorsus, sinistroversus (“turned toward the left side”), from sinister (“left”) + vertere, vortere, versum, vorsum (“to turn”).
Webster’s 1913
Etymology [L.sinistrorsus, sinistroversus, turned toward the left side; sinister left + vertere, vortere, versum, vorsum, to turn.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “sinistrorsal”, CC BY-SA 4.0. Details