Where does “hyyfi” come from?

hyyfi (Finnish) comes from English hypha, from Ancient Greek ὑφή, from Proto-Indo-European webʰ- — to weave, braid.

Ancestry of “hyyfi”, step by step

StepLanguageWordMeaning
1EnglishhyphaAny of the long, threadlike filaments that form...
2Ancient Greekὑφήweb
3Proto-Indo-Europeanwebʰ-to weave, braid
Every word from Proto-Indo-European webʰ-Every word from Ancient Greek ὑφήEvery word from English hypha