from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of phytoncide.
Sorry, no etymologies found.
True, there is further evidence that essential wood oils called phytoncides, which are natural preservatives and fungicides emitted by many plants, can actually increase natural killer cells in humans, thus enhancing the immune system.
In this case, it's believed humans benefit from breathing in phytoncides, the chemicals plants emit to protect themselves from rotting and insects.