English word invex comes from Latin veho, and later Latin conveho (I carry (to a place). I collect or gather. I harvest.)

Dictionary entry | Language | Definition |
---|---|---|

veho | Latin (lat) | (passive) I ride; I am borne.. I carry, bear, convey, transport. |

conveho | Latin (lat) | I carry (to a place). I collect or gather. I harvest. |

convexus | Latin (lat) | Convex or concave (depending on context). Inclined (sloping downwards). Vaulted, arched, rounded. |

convex | English (eng) | (functional analysis, not comparable, of a real-valued function on the reals) having an epigraph which is a convex set.. (geometry, not comparable, of a polygon) having no internal angles greater than 180 degrees.. (mathematics, not comparable, of a set) arranged such that for any two points in the set, a straight line between the two points is contained within the set.. Curved or bowed [...] |

invex | English (eng) | (mathematics) A differentiable function ƒ from Rn to R is invex if there exists a vector valued function g such that f(x) - f(u) \geq g(x, u) \cdot \nabla f(u), \, for all x and u. |