Where does “prebudgetary” come from?

prebudgetary (English) comes from English budgetary, from English budget, from Middle English bogett, from Old French bougette, from Old French bouge, from Latin bulga, from Gaulish bolgā, from Proto-Celtic bolgos.

Ancestry of “prebudgetary”, step by step

prebudgetary traces back through two separate lines of ancestry.

via English budgetary

StepLanguageWordMeaning
1EnglishbudgetaryOf or pertaining to a budget
2EnglishbudgetThe amount of money or resources earmarked for a...
3Middle Englishbogett
4Old Frenchbougette
5Old Frenchbougesack; purse; small bag
6Latinbulgaknapsack, wallet, satchel; wallet, purse; womb
7Gaulishbolgābag, sack
8Proto-Celticbolgossack, bag; stomach
9Proto-Indo-Europeanbʰelǵʰ-to swell
10Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
11Proto-Indo-Europeanbʰōl-

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European bʰōl-Every word from Proto-Indo-European bʰel-Every word from Proto-Indo-European bʰelǵʰ-
prebudgetary — Etymology, Origin & Word History | Etymology Explorer