psilo-comb. form
Stress is usually determined by a subsequent element and vowels may be reduced accordingly; see e.g.
psilopaedic adj.Origin: A borrowing from Greek. Etymon: Greek ψιλο-.
Etymology: < ancient Greek ψιλο-, combining form (in e.g. ψιλομετρία verse not accompanied by music) of ψιλός bare, smooth, mere < the same base as ψίειν to feed on pap, of expressive origin + -λός, suffix forming adjectives. Compare scientific Latin psilo- (formations in which are found from at least the second half of the 19th cent.), German psilo- (formations in which are found from the early 19th cent.), French psilo- (formations in which are found from the early 19th cent.).Found in a small number of adaptations of German and scientific Latin technical terms from the early 19th cent., apparently earliest in psilomelane n. Combining with second elements ultimately of Greek or Latin origin.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online June 2020).