tr.v. in·ter·ro·gat·ed, in·ter·ro·gat·ing, in·ter·ro·gates
1. To examine by questioning formally or officially. See Synonyms at ask.
2. Computers To transmit a signal for setting off an appropriate response.
[Middle English enterrogate, from Latin interrogāre, interrogāt- : inter-, in the presence of; see INTER- + rogāre, to ask; see reg- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.