Where does “hiirenohra” come from?

hiirenohra (Finnish) comes from Finnish ohra, from Proto-Finnic ocra, from Proto-Baltic aśras — sharp.

hiirenohra (Finnish): wall barley, "Hordeum murinum"

Definitions

  1. wall barley, "Hordeum murinum"

Ancestry of “hiirenohra”, step by step

hiirenohra traces back through two separate lines of ancestry.

via Finnish ohra

StepLanguageWordMeaning
1Finnishohrabarley
2Proto-Finnicocrabarley
3Proto-Balticaśrassharp

via Finnish hiiri

StepLanguageWordMeaning
1FinnishhiiriA mouse, used rather indiscriminately for a...
2Proto-Finnichiirimouse
3Proto-Uralicšiŋeremouse
Every word from Proto-Baltic aśras →Every word from Proto-Finnic ocra →Every word from Finnish ohra →