vasoconstrictive

Etymology tree
Proto-Italic *wāss
Latin vās
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English vaso-
Proto-Indo-European *ḱe?
Proto-Indo-European *ḱóm
Proto-Italic *kom
Proto-Italic *kom-
Latin cōn-
Proto-Indo-European *strengʰ-der.
Proto-Indo-European *streyg-der.
Latin stringō
Latin cōnstringō
Latin cōnstrictusbor.
English constrict
Proto-Indo-European *-wós
Proto-Indo-European *-iHwósder.
Latin -īvus
Old French -ifbor.
Middle English -yf
English -ive
English constrictive
English vasoconstrictive
From vaso- + constrictive.