Where does “unobstructiveness” come from?

unobstructiveness (English) comes from English unobstructive, from English obstructive, from English -ive, from Middle English -yf, from Old French -if, from Latin -īvus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

unobstructiveness (English): The quality of being unobstructive

Definitions

  1. The quality of being unobstructive

Ancestry of “unobstructiveness”, step by step

unobstructiveness traces back through two separate lines of ancestry.

via English unobstructive

StepLanguageWordMeaning
1Englishunobstructivenot obstructive
2EnglishobstructiveCausing obstructions; One who obstructs something
3English-iveAn adjective suffix signifying relating or...
4Middle English-yfA suffix designating adjectives, adverbs and...
5Old French-if-ive
6Latin-īvusAdjective suffix
7Proto-Indo-European-iHwós
8Proto-Indo-European-wósCreates adjectives from verb stems

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 -wós