ex·pert 
(ĕkspûrt′)
(ĕkspûrt′)n.
A person with a high degree of skill in or knowledge of a certain subject.
adj. (ĕkspûrt, ĭk-spûrt)
Having, involving, or demonstrating skill in or knowledge of a certain subject. See Synonyms at proficient.
[Middle English, from Old French, experienced, from Latin expertus, past participle of experīrī, to try; see per-3 in the Appendix of Indo-European roots.]
expert′ly adv.
expert′ness n.
- Indo-European root: (s)nāu-
- Indo-European root: (s)nē-
- Indo-European root: so-
- Indo-European root: sol-
- Indo-European root: spek-
- Indo-European root: (s)pen-
- Indo-European root: spend-
- Indo-European root: sper-
- Indo-European root: sperə-
- Indo-European root: spē-
- Indo-European root: sreu-
- Indo-European root: (s)teg-
- Indo-European root: stegh-
- Indo-European root: steig-
- Indo-European root: steigh-
- Indo-European root: stel-
- Indo-European root: (s)tenə-
- Indo-European root: ster-
- Indo-European root: ster-
- Indo-European root: ster-
- Indo-European root: streb(h)-
- Indo-European root: streig-
- Indo-European root: stā-
- Indo-European root: stāi-
- Indo-European root: s(w)e-