ichidan verb
can say; be able to say; possible to say
Potential form of 言う, used when something can be said or expressed.
See also: 言う
この気持ちは言葉では言えない。
I can't put this feeling into words.
彼が正しいとは言え
I can't say that he is right.
expression
said; have said
Archaic expression, often used in the pattern 言えるごとく, meaning 'as has been said' or 'as stated'. Not used in modern everyday Japanese.
言えるごとく、昔はここに大きな城があった。
As has been said, there was once a large castle here.