Where does “iridotasis” come from?

iridotasis (English) comes from English tasis, from Ancient Greek τάσις, from Proto-Hellenic tə́tsis, from Proto-Indo-European téntis, from Proto-Indo-European ten- — to stretch, to extend.

iridotasis (English): A stretching of the iris in the treatment of...

Definitions

  1. A stretching of the iris in the treatment of...

Ancestry of “iridotasis”, step by step

iridotasis traces back through two separate lines of ancestry.

via English tasis

StepLanguageWordMeaning
1EnglishtasisExtending the sound of an utterance for the...
2Ancient Greekτάσιςstretching, tension; extension; pitch of the...
3Proto-Hellenictə́tsis
4Proto-Indo-Europeanténtisextension
5Proto-Indo-Europeanten-to stretch, to extend

via English irido

StepLanguageWordMeaning
1Englishirido
Every word from Proto-Indo-European ten-Every word from Proto-Indo-European téntisEvery word from Proto-Hellenic tə́tsis