That which begins or originates something; the source or first cause.
The act of doing that which begins anything; commencement of an action, state, or space of time; entrance into being or upon a course; the first act, effort, or state of a succession of acts or states.
The initial portion of some extended thing.
That which is begun; a rudiment or element.
Of or relating to the first portion of some extended thing.
The source or origin of something.
A surrogate parent
An organism from which a plant or animal is immediately biologically descended.
A parent company.
One of the two persons from whom one is immediately biologically descended; a mother or father.
The object from which a child or derived object is descended; a node superior to another node.
A person who acts as a parent in rearing a child; a step-parent or adoptive parent.
The nuclide that decays into a daughter nuclide.
A third person who has provided DNA samples in an IVF procedure in order to alter faulty genetic material
Sponsor, supporter, owner, protector.
To act as parent, to raise or rear.