Where does “siblinglessness” come from?

siblinglessness (English) comes from English siblingless, from English sibling, from Old English sibling, from Old English -ling, from Old English lang, from Proto-West Germanic lang, from Proto-Germanic langaz, from Proto-Indo-European dlongʰos — long.

siblinglessness (English): Lack of siblings

Definitions

  1. Lack of siblings

Ancestry of “siblinglessness”, step by step

siblinglessness traces back through two separate lines of ancestry.

via English siblingless

StepLanguageWordMeaning
1EnglishsiblinglessWithout siblings
2EnglishsiblingA person who shares a parent; one's brother or...
3Old Englishsiblingrelative, kinsman
4Old English-lingadverbial suffix denoting direction, state or...
5Old Englishlanglong; lasting; old, ancient; advanced
6Proto-West Germaniclanglong
7Proto-Germaniclangazlong
8Proto-Indo-Europeandlongʰoslong

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-Indo-European dlongʰosEvery word from Proto-Germanic langazEvery word from Proto-West Germanic lang