Where does “Hliðskjalf” come from?

Hliðskjalf (Old Norse) comes from Old Norse hlið, from Proto-Germanic hlidą, from Proto-Indo-European ḱlitós, from Proto-Indo-European ḱley-, from Proto-Indo-European ḱel- — to cover; to incline.

Ancestry of “Hliðskjalf”, step by step

Hliðskjalf traces back through two separate lines of ancestry.

via Old Norse hlið

StepLanguageWordMeaning
1Old Norsehliðgate; side; a gap, gate, space
2Proto-Germanichlidąlid, cover
3Proto-Indo-Europeanḱlitóscovered, sheltered; leaning, sloped, inclined
4Proto-Indo-Europeanḱley-to shelter, cover; to lean, slope, incline
5Proto-Indo-Europeanḱel-to cover; to incline

via Old Norse skjalf

StepLanguageWordMeaning
1Old Norseskjalfa shelf, seat; remains only in Hliðskjálf
2Proto-Germanic*skelfōcrag, cliff
Every word from Proto-Indo-European ḱel-