Where does “grandchildlessness” come from?

grandchildlessness (English) comes from English grandchildless, from English grandchild, from English Child, from Middle English childen, from Middle English -en, from Old English -en, from Old Norse -inn, from Proto-Norse -īna- — adjectival suffix.

grandchildlessness (English): Absence of grandchildren

Definitions

  1. Absence of grandchildren

Ancestry of “grandchildlessness”, step by step

grandchildlessness traces back through two separate lines of ancestry.

via English grandchildless

StepLanguageWordMeaning
1EnglishgrandchildlessWithout a grandchild
2EnglishgrandchildA child of someone's child
3EnglishChildAlternative letter-case form of child "often used...
4Middle EnglishchildenTo deliver a child; to beget or procreate; To...
5Middle English-enDenotes the past participle form when attached to...
6Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
7Old Norse-innUsed to create adjectives from nouns, meaning...
8Proto-Norse-īna-
9Proto-Germanic-īnaz-en
10Proto-Indo-European-iHnosCreates adjectives of materials
11Proto-Indo-European-no-adjectival suffix

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 -no-Every word from Middle English -enEvery word from Proto-Germanic -īnaz