oestrus

Meaning

1. (countable) A biting fly of the genus Oestrus; a botfly.
2. (countable) A bite or sting.
3. (archaic, countable) A passion or frenzy.
4. (countable, uncountable) A female animal's readiness to mate.

Synonyms

estrus

heat

rut

oestrum

gadfly

horse-fly

impulse

mating season

motive

passion

pride

stimulus

estrous cycle

anoestrus

oestrous cycle

sexual heat

ox-fly

heat period

be in heat

estrous period

botfly

frenzy

gad-fly

horsefly

Translations

οίστρος

estro

estro

chaleur

œstrus

estro

Hitze

celo

Brunst

rut

cio

chaleurs

verve

Anöstrus

Pronounced as (IPA)

/ˈiːstɹəs/

Etymology

Cognate with Latin: īra

Cognate with Lithuanian: aistra

Cognate with Avestan: 𐬀𐬈𐬯𐬨𐬀

In summary

Borrowed from Latin oestrus (“gadfly, sting, frenzy”), from Ancient Greek οἶστρος (oîstros), from Proto-Indo-European *h₁eys-, used to form words denoting passion; see also Latin īra (“anger”), Lithuanian aistra (“violent passion”), Avestan 𐬀𐬈𐬯𐬨𐬀 (aesma, “anger”).