Where does “hleder” come from?

hleder (Old Frisian) comes from Proto-Germanic hlaidrijō, from Proto-Indo-European ḱley-, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “hleder”, step by step

StepLanguageWordMeaning
1Proto-Germanichlaidrijōladder
2Proto-Indo-Europeanḱley-to shelter, cover; to lean, slope, incline
3Proto-Indo-Europeanḱel-to cover; to incline
Every word from Proto-Indo-European ḱel- →Every word from Proto-Indo-European ḱley- →Every word from Proto-Germanic hlaidrijō →