词根词缀：a-, ab-, abs-

【来源及含义】Latin: prefix; from, away, away from

【相关描述】This prefix is normally used with elements of Latin and French origins (abs- usually joins elements beginning with c, q, or t).

The form ab- is regularly used before all vowels and h; and it becomes a- before the consonants m, p, and v. The prefix apo- has similar meanings.

This list is a very small sample of the multitudes of a-, ab-, abs- prefixes that are available in dictionaries and those in this unit are only meant to present a few examples.

【同源单词】abampere, abampere centimeter squared, abampere per square centimeter, abarticular, abarticulation, abbreviate

词根词缀：-ancy

【来源及含义】Latin: a suffix; quality, state of; process, degree, action of

【同源单词】abundancy, brilliancy, buoyancy, constancy, continuancy, expectancy

词根词缀：undu-, und-

【来源及含义】Latin > French: flow, wave, billow

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; plethor-; poly-; super-; total-; ultra-.

【同源单词】abound, abundance, abundancy, Abundans cautela non nocet, abundant, abundantly