-al
/əl/suffix
1
- (forming adjectives) relating to; of the kind of［构成形容词］表示“与…有关的”; “…类型的”：
1.1
- from Latin words［由拉丁词构成形容词］：
annual
infernal.
1.2
- from Greek words［由希腊词构成形容词］：
historical
comical.
1.3
- from English nouns［由英语名词构成形容词］：
tidal.
2
- forming nouns chiefly denoting verbal action［构成主要表示动作的名词］：
arrival
transmittal.
词源
sense 1 from French -el or Latin -alis ; sense 2 from French -aille or from Latin -alis functioning as a noun ending.