地名　常呂／Tokoro／tu-kor(山崎・を持つ＝hill, it have)／to-kor-pet(沼・を待つ・川＝swamps, have, river)ちめい　ところ＝ｓｗａｍｐｓ，　ｈａｖｅ，　ｒｉｖｅｒ)

Tokoro / tu-kor (＝hill, it have) / to-kor-pet (＝swamp, have, river), from the Series Place Name