Where does “Zitrönchen” come from?

Zitrönchen (German) comes from German zitrone, from Italian citrone, from Latin citron, from Ancient Greek κίτρον, from Latin citrum, from Latin cī̆trus, from Greek κέδρος, from Ancient Greek κέδρος — cedar; anything made of cedar-wood; cedar-oil.

Ancestry of “Zitrönchen”, step by step

Step	Language	Word	Meaning
1	German	zitrone	lemon fruit
2	Italian	citrone	citron
3	Latin	citron	—
4	Ancient Greek	κίτρον	fruit of the citron tree
5	Latin	citrum	nominative neuter singular of citer; accusative...
6	Latin	cī̆trus	citron tree
7	Greek	κέδρος	cedar
8	Ancient Greek	κέδρος	cedar; anything made of cedar-wood; cedar-oil

Every word from Ancient Greek κέδρος →Every word from Greek κέδρος →Every word from Latin cī̆trus →