Where does “unknightliness” come from?

unknightliness (English) comes from English unknightly, from English knightly, from Middle English knyghtly, from Middle English -ly, from Old English -līċ, from Proto-Germanic *-līk.

unknightliness (English): The quality of being unknightly

Definitions

  1. The quality of being unknightly

Ancestry of “unknightliness”, step by step

unknightliness traces back through two separate lines of ancestry.

via English unknightly

StepLanguageWordMeaning
1EnglishunknightlyNot knightly; Of behaviour, not befitting a...
2EnglishknightlyOf or pertaining to a knight or knights;...
3Middle Englishknyghtlybrave, bold, martial
4Middle English-lyAlternative form of -liche
5Old English-līċsuffix forming {{glossary|adjective}}s meaning...
6Proto-Germanic*-līk

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-Germanic *-līkEvery word from Middle English -lyEvery word from Old English -līċ