寄語 is read as きご (kigo) and means sending word by.
きご
kigo
きふ
contribution
よせる
to add (numbers)
よせ
entertainment hall (for rakugo, manzai, magic, music, etc.)
きせい
parasitism
よせあつめ
mishmash
よりみち
going the long way round
よる
to decide on a price and come to a deal
よりあつまる
to gather together
last moves (in go, shogi, or chess)
きこう
stopping at a port
ききん
きよ