Meaning
聊か (いささか, isasaka) is a bonus vocabulary word meaning “bit; somewhat”.
Example sentences 2
その話はいささかオーバーです
The story is somewhat exaggerated.
ただし大庭景義は「然れども弓箭の寸法を案ずるに、その涯分に過ぎるか」とし、また「鎮西より出で給うの間、騎馬の時、弓聊か心に任せざるか」
However, Kageyoshi OBA also said that 'he might not deserve the praise,' and ' he is from the Kyushu district, so while he is on horseback, it would be difficult for him to draw a bow.'