entrech (Middle High German) comes from Old High German antrahho, from Proto-West Germanic anadrekō, from Proto-West Germanic anad, from Old Irish anaid, from Proto-Celtic anati, from Proto-Indo-European h₂énh₁ti, from Proto-Indo-European h₂enh₁- — to breathe.
Ancestry of “entrech”, step by step
entrech traces back through 3 separate lines of ancestry.