Where does “should” come from?

Should descends from Middle English scholde, from Old English scolde, the past tense of Old English sculan, from Proto-Germanic skulaną, tracing back through Proto-Indo-European roots (s)kel- meaning to cut or separate.

should (English): Be obliged to; have an obligation to; ought to;...

Definitions

  1. Be obliged to; have an obligation to; ought to;...

Ancestry of “should”, step by step

StepLanguageWordMeaning
1Middle Englishscholdeshould
2Old EnglishscoldeAlternative form of sceolde
3Old Englishsculanshould; must; to be supposed to do something
4Proto-West Germanicskulanto owe, to be obliged
5Proto-Germanicskulanąto owe; to be obliged to, have to; shall, will,...
6Proto-Indo-Europeansḱel-to be obligated, owe
7Proto-Indo-Europeanḱelh₁-to warm up, to be hot; to warm up, be hot

Words derived from “should

Every word from Proto-Indo-European ḱelh₁-Every word from Proto-Indo-European sḱel-Every word from Proto-Germanic skulaną