Compound of 猫 (byō, “cat”) + 額 (gaku, “forehead”).
猫額 (hiragana びょうがく, rōmaji byōgaku, historical hiragana べうがく)
Compound of 猫 (neko, “cat”) + 額 (hitai, “forehead”). The hitai changes to bitai as an instance of rendaku (連濁).
猫額 (hiragana ねこびたい, rōmaji nekobitai, historical hiragana ねこびたひ)