English word willy comes from Middle English willi

You can also see our other etymologies for the English word willy. Currently you are viewing the etymology of willy with the meaning: (Adjective) (UK, _, dialectal, Scotland) Self-willed; willful.. (obsolete) Willing; favourable; ready; eager.(UK, _, dialectal, Scotland) Self-willed; willful.. (obsolete) Willing; favourable; ready; eager

Detailed word origin of willy

Dictionary entry	Language	Definition
willi	Middle English (enm)
willy	English (eng)	(UK, _, dialectal, Scotland) Self-willed; willful.. (obsolete) Willing; favourable; ready; eager.