言う: to say something, to tell somebody; to call, to name, to give a name

(humble) 母: mother

(formal) but, however

past tense form of であう

indicating polite assertion (often in the form of であります (de arimasu))

an assertion that emphasizes the cause, reasons, grounds and etc. / determination of the speaker; request to the listener to take a certain action / explain something's look and state exclamatorily

(archaic) to try to / (archaic) to be about to

on the contrary

Alternative form of それなら (sore nara, “if that's the case”)

used to explain the situation in somewhat exclamatory manner