Where does “sightfulness” come from?

sightfulness (English) comes from English sightful, from English sight, from Middle English sighte, from Middle English siken, from Old English sīcan, from Proto-West Germanic *sīkan — to sigh, take a deep breath.

sightfulness (English): The state of being sightful; perspicuity

Definitions

  1. The state of being sightful; perspicuity

Ancestry of “sightfulness”, step by step

sightfulness traces back through two separate lines of ancestry.

via English sightful

StepLanguageWordMeaning
1EnglishsightfulEasily or clearly seen; distinctly visible;...
2EnglishsightThe ability to see; The act of seeing; perception...
3Middle Englishsightesight
4Middle Englishsiken
5Old Englishsīcanto sigh
6Proto-West Germanic*sīkanto sigh, take a deep breath

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
Every word from Proto-West Germanic *sīkanEvery word from Old English sīcanEvery word from Middle English siken