はとうで始まる言葉

はとう【波^×濤】

〔大波〕billows, surges；〔荒波〕a rough [high] sea船は波濤を蹴けって進んだThe ship plowed [cut] its way through high ...

はとう【波頭】

the crest of a wave砕けて泡立つ波頭《米》 whitecaps／《英》 white horses／crests of waves breaking into white foam