Where does “kairomone” come from?

kairomone (English) comes from English pheromone, from Ancient Greek φέρω, from Proto-Hellenic pʰérō, from Proto-Indo-European bʰéreti, from Proto-Indo-European bʰēr- — shiny, light brown.

kairomone (English): Any substance produced by an individual of one species (often an insect) that benefits the recipient which is of a different species but is harmful to the producer

Definitions

Any substance produced by an individual of one species (often an insect) that benefits the recipient which is of a different species but is harmful to the producer

Ancestry of “kairomone”, step by step

kairomone traces back through two separate lines of ancestry.

via English pheromone

Step	Language	Word	Meaning
1	English	pheromone	A chemical secreted by an animal, especially an...
2	Ancient Greek	φέρω	I bring, bear, carry
3	Proto-Hellenic	pʰérō	to bear
4	Proto-Indo-European	bʰéreti	to be carrying
5	Proto-Indo-European	bʰēr-	shiny, light brown

via Ancient Greek καιρός

Step	Language	Word	Meaning
1	Ancient Greek	καιρός	measure; proportion; fitness
2	Proto-Indo-European	ḱer-	to grow, to make grow, to nourish; to plait,...
3	Proto-Indo-European	kr̥-	to turn, to bend
4	Proto-Indo-European	ker-	army

Words derived from “kairomone”

kairomonal

Every word from Proto-Indo-European bʰēr- →Every word from Proto-Indo-European bʰéreti →Every word from Proto-Hellenic pʰérō →