Webster’s Revised Unabridged Dictionary · 1913
Enclitic
En·clit′ic (ĕn·klĭt′ĭk), En·clit′ic·al (-ĭ·kal), a. [L. encliticus, Gr. ἐγκλίτικος, fr. ἐγκλίνειν to incline; ἐν in + κλίνειν to bend. See In, and Lean, v. i.] (Gram.) Affixed; subjoined; — said of a word or particle which leans back upon the preceding word so as to become a part of it, and to lose its own independent accent, generally varying also the accent of the preceding word.
En·clit′ic, n. (Gram.) A word which is joined to another so closely as to lose its proper accent, as the pronoun thee in prithee (pray thee).