Where does “intrafusal” come from?

intrafusal (English) comes from English intra-, from Latin intra, from Latin interus, from Proto-Indo-European h₁énteros, from Proto-Indo-European -teros — Contrastive or oppositional adjectival suffix.

intrafusal (English): Relating to the striated fibres within a muscle...

Definitions

  1. Relating to the striated fibres within a muscle...

Ancestry of “intrafusal”, step by step

StepLanguageWordMeaning
1Englishintra-a prefix signifying inside, within, interior,...
2Latinintrawithin; inside; during; less than
3Latininterus—
4Proto-Indo-Europeanh₁énterosinside, within
5Proto-Indo-European-terosContrastive or oppositional adjectival suffix
Every word from Proto-Indo-European -teros →Every word from Proto-Indo-European h₁énteros →Every word from Latin interus →