焼き魚

Compound of 焼き (yaki) +‎ 魚 (sakana, “fish”). The former portion is the 連 (れん)用 (よう)形 (けい) (ren'yōkei, “stem or continuative form”) of the verb 焼 (や)く (yaku, “burn, grill”). The sakana changes to zakana as an instance of rendaku (連濁).

焼き魚 (hiragana やきざかな, rōmaji yakizakana)

1. broiled fish, roasted or grilled fish

   焼 (や)き魚 (ざかな)定食 (ていしょく)

   yakizakana teishoku

   a set meal including broiled fish

• 焼 (や)き鳥 (とり) (yakitori, “grilled chicken”)
• 焼肉 (やきにく) (yakiniku, “grilled meat; Korean barbecue”)