The story
From hypo- (“beneath”) + rhachis (“shaft of a feather”, variant of rachis).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The stem of an aftershaft. Full definition →
From hypo- (“beneath”) + rhachis (“shaft of a feather”, variant of rachis).
Etymology from Wiktionary, CC BY-SA 4.0.