occasional
A Word with Latin Root, Prefix or Suffix
occasional
occurring on a particular occasion (an event, a favorable time or opportunity)
特殊场合的, 偶然的, 不时的
Dissection of occasional
occasional = oc- (to) + cas (fall) + -ion (act) + -al (relating to);
occasional = relating to falling upon somewhere sometime;
occasional = extended further to mean occurring at a particular time or place;
occasional = extended further to relating to mean an accidental event
Important roots for this word:
oc-
-ion
-al
cas
Note: You may sometimes find that a vowel such as o is often inserted between two roots, as o inserted between phon and graph in phonograph = phon + o + graph, the reason is for easy pronounciation. Another example is archaeology = archae + o + logy