Where does “gwifyr” come from?

gwifyr (Middle Welsh) comes from Middle English wir, from Old English wīr, from English myrtle, from Old French myrte, from Latin myrtus, from Ancient Greek μύρτος, from Ancient Greek μυρίκη, from Ancient Greek -ίκη.

Ancestry of “gwifyr”, step by step

Step	Language	Word	Meaning
1	Middle English	wir	—
2	Old English	wīr	wire, metal thread, wire-ornament
3	English	myrtle	An evergreen shrub or small tree of the genus...
4	Old French	myrte	—
5	Latin	myrtus	myrtle
6	Ancient Greek	μύρτος	myrtle; twig or spray of myrtle
7	Ancient Greek	μυρίκη	tamarisk
8	Ancient Greek	-ίκη	—

Words derived from “gwifyr”

gwifr

Every word from Ancient Greek -ίκη →Every word from Ancient Greek μυρίκη →Every word from Ancient Greek μύρτος →