Where does “sightedness” come from?

Sightedness comes from English sighted plus the suffix -ness, from Middle English -nesse, from Old English -nes, derived from Proto-Germanic -inassuz and -inōną.

sightedness (English): The quality of being sighted, or having the...

Definitions

  1. The quality of being sighted, or having the...

Ancestry of “sightedness”, step by step

sightedness traces back through two separate lines of ancestry.

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose

via English sighted

StepLanguageWordMeaning
1Englishsightedsimple past tense and past participle of sight;...
Every word from Proto-Indo-European néh₂s