Where does “Scotlond” come from?

Scotlond (Middle English) comes from Old English Scotland, from Old English scott, from Latin scotus, from Ancient Greek σκότος, from Proto-Indo-European skh₃tos, from Proto-Indo-European (s)ḱeh₃- — darkness, shadow.

Ancestry of “Scotlond”, step by step

Step	Language	Word	Meaning
1	Old English	Scotland	Ireland", later also "Scotland
2	Old English	scott	A Scot
3	Latin	scotus	Erebus
4	Ancient Greek	σκότος	darkness, gloom
5	Proto-Indo-European	skh₃tos	—
6	Proto-Indo-European	(s)ḱeh₃-	darkness, shadow

Every word from Proto-Indo-European (s)ḱeh₃- →Every word from Proto-Indo-European skh₃tos →Every word from Ancient Greek σκότος →