Where does “extrahypophyseal” come from?

extrahypophyseal (English) comes from English hypophyseal, from English hypophysis, from Ancient Greek ὑπόφυσις, from Ancient Greek φύσις, from Ancient Greek φύω, from Proto-Indo-European bʰuHyéti, from Proto-Indo-European -yéti, from Proto-Indo-European yé- — he, she.

Ancestry of “extrahypophyseal”, step by step

extrahypophyseal traces back through two separate lines of ancestry.

via English hypophyseal

StepLanguageWordMeaning
1EnglishhypophysealAlternative spelling of hypophysial
2EnglishhypophysisThe pituitary gland; The top cell of the...
3Ancient Greekὑπόφυσιςattachment underneath
4Ancient Greekφύσιςorigin, birth; nature, quality, property; later,...
5Ancient GreekφύωTo bring forth, produce, generate, cause to grow;...
6Proto-Indo-EuropeanbʰuHyétito be becoming, to be growing, to be appearing
7Proto-Indo-European-yétiCreates intransitive, often deponent,...
8Proto-Indo-Europeanyé-
9Chichewaiyehe, she

via English extra

StepLanguageWordMeaning
1EnglishextraBeyond what is due, usual, expected, or...
2EnglishextraordinaryNot ordinary; exceptional; unusual; Remarkably...
3Latinextraordināriusextraordinary
4Latinōrdinem
5Middle Low Germanorden
6Latinōrdināre
7Latinōrdōa methodical series, arrangement, or order; regular line, row, or series
8Proto-Italicored(h)-to arrange
Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Proto-Indo-European bʰuHyéti