antihypertension

Etymology tree Proto-Indo-European *h₂ent- Proto-Indo-European *-s Proto-Indo-European *h₂énts Proto-Indo-European *-i Proto-Indo-European *h₂éntider. Ancient Greek ᾰ̓ντῐ́ (ăntĭ́) Ancient Greek ἀντι- (anti-)der. English anti- Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Hellenic *hupér Ancient Greek ῠ̔πέρ (hŭpér) Ancient Greek ῠ̔περ- (hŭper-)der. English hyper- Proto-Indo-European *ten- Proto-Indo-European *tend-der. Proto-Italic *tendō Latin tendō Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin tēnsiōder. Middle French tensionbor. English tension English hypertension English antihypertension From anti- + hypertension.

来源：wiktionary