Where does “will've” come from?

will've (English) comes from English Will, from English william, from Middle English William, from Anglo-Norman Willame, from Old High German Willahelm, from Old High German helm, from Proto-West Germanic helm, from Proto-Germanic helmaz — to pierce, strike; to stick; prick; stab.

will've (English): will have (with have as auxiliary verb)

Definitions

  1. will have (with have as auxiliary verb)

Ancestry of “will've”, step by step

will've traces back through two separate lines of ancestry.

via English Will

StepLanguageWordMeaning
1EnglishWillA weak-side linebacker
2Englishwilliamradiotelephony clear-code word for the letter W
3Middle EnglishWilliam
4Anglo-NormanWillame
5Old High GermanWillahelmWilliam
6Old High Germanhelmhelmet
7Proto-West Germanichelmhelmet
8Proto-Germanichelmazhelmet
9Proto-Germanichalmazhalm; stem; stalk; straw; hay
10Proto-Indo-Europeanḱolh₂mosstalk
11Proto-Indo-Europeanḱelh₂-to pierce, strike; to stick; prick; stab

via English ’ve

StepLanguageWordMeaning
1English’vein its sense marking the perfect or retrospective aspect
Every word from Proto-Indo-European ḱelh₂-