Where does “antiobstructive” come from?

antiobstructive (English) comes 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.

antiobstructive (English): That counters obstruction

Definitions

  1. That counters obstruction

Ancestry of “antiobstructive”, step by step

antiobstructive traces back through two separate lines of ancestry.

via English obstructive

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

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Indo-European -wós