ac·cost (ə-kôst, ə-kŏst)
tr.v. ac·cost·ed, ac·cost·ing, ac·costs
1. To approach and speak to, especially aggressively or insistently, as with a demand or request.
2. To approach and speak to with the intent of having sex.
[French accoster, from Old French, from Medieval Latin accostāre, to adjoin : Latin ad-, ad- + Latin costa, side; see kost- in the Appendix of Indo-European roots.]
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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.