The Collaborative International Dictionary of English v.0.48:
Intromit \In`tro*mit"\, v. t. [imp. & p. p. Intromitted; p. pr. & vb. n. Intromitting.] [L. intromittere, intromissum; intro- within + mittere to send.] [1913 Webster] 1. To send in or put in; to insert or introduce. --Greenhill. [1913 Webster] 2. To allow to pass in; to admit. [1913 Webster] Glass in the window intromits light, without cold. --Holder. [1913 Webster]