Where does “Gillam” come from?

Gillam is a variant of William, traced through Anglo-Norman Willame, though its specific meaning remains undocumented.

Ancestry of “Gillam”, step by step

StepLanguageWordMeaning
1EnglishWilliamradiotelephony clear-code word for the letter W
2Anglo-NormanWillame
3Old High GermanWillahelmWilliam
4Old High Germanhelmhelmet
5Proto-West Germanichelmhelmet
6Proto-Germanichelmazhelmet
7Proto-Germanichalmazhalm; stem; stalk; straw; hay
8Proto-Indo-Europeanḱolh₂mosstalk
9Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab
Every word from Proto-Indo-European ḱelh₂-
Gillam — Etymology, Origin & Word History | Etymology Explorer