とおあさ
shoal; wide shallow beach
Common word
Na-adjective, Noun
「まだ浅あさいね。足あしとどく」「結構けっこう遠浅とおあさだな。よつばもまだ足あしつくだろ」
"It's still shallow, eh. My feet still touch the bottom." "It's quite a shallow beach. Yotsuba, you can still touch the bottom can't you?"