INTROGRESSION
Source: 567
In′tro‐gres″sion (?), n. [[L. introgressus, p. p. of introgredi to go in; intro- within + gradi to step, go.]] The act of going in; entrance. Blount.
Source: 567
In′tro‐gres″sion (?), n. [[L. introgressus, p. p. of introgredi to go in; intro- within + gradi to step, go.]] The act of going in; entrance. Blount.