ectohormone

English

Etymology

Etymology tree
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁eǵʰs
Proto-Hellenic *eks
Ancient Greek ἐκ (ek)
Proto-Indo-European *h₁én
Proto-Indo-European *h₁éntos
Proto-Hellenic *entós
Ancient Greek ἐντός (entós)
Ancient Greek ἐκτός (ektós)der.
English ecto-
Ancient Greek ὁρμή (hormḗ)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-yéti
Proto-Indo-European *-eh₂yéti
Ancient Greek -άω (-áō)
Ancient Greek ὁρμῶν (hormôn)lbor.
English hormone
English ectohormone

    From ecto- + hormone.

    Noun

    ectohormone (plural ectohormones)

    1. (biology) Any hormone that is secreted into an individual's environment and affects the behaviour or activity of another individual (of the same or different species) in the manner of a pheromone.
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