Where does “Geranie” come from?

Geranie (German) comes from Latin geranion, from Ancient Greek γερᾰ́νῐον, from Ancient Greek -ῐον, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Ancestry of “Geranie”, step by step

Step	Language	Word	Meaning
1	Latin	geranion	storksbill (Erodium spp.)
2	Ancient Greek	γερᾰ́νῐον	cranesbill (Geranium tuberosum)
3	Ancient Greek	-ῐον	diminutive suffix; "suffix forming...
4	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐον →Every word from Ancient Greek γερᾰ́νῐον →