Where does “schuldheizo” come from?

schuldheizo (Old High German) comes from Proto-West Germanic skuldihaitijō, from Proto-West Germanic skuldi, from Proto-Germanic skuldiz, from Proto-Indo-European skéltis, from Proto-Indo-European sḱel-, from Proto-Indo-European ḱelh₁- — to warm up, to be hot; to warm up, be hot.

Ancestry of “schuldheizo”, step by step

StepLanguageWordMeaning
1Proto-West Germanicskuldihaitijōone who settles debts, a legal officer
2Proto-West Germanicskuldiobligation; debt; fault, blame, guilt
3Proto-Germanicskuldizobligation; debt; fault, blame, guilt
4Proto-Indo-Europeanskéltis
5Proto-Indo-Europeansḱel-to be obligated, owe
6Proto-Indo-Europeanḱelh₁-to warm up, to be hot; to warm up, be hot
Every word from Proto-Indo-European ḱelh₁-Every word from Proto-Indo-European sḱel-Every word from Proto-Indo-European skéltis