Endscraper

Japanese: エンドスクレーパー - えんどすくれーぱー

…It can be translated as a scraper or a sharpener. It is a tool made by making fine adjustments to a scraper to create a blade. There are scrapers with a blade on one of the short sides of a long, thin scraper (end scraper) and scrapers with a blade on one of the long sides (side scraper). It has been seen in various places since the Middle Paleolithic period, and is thought to have been used mainly for butchering and processing animals. …

From [Stone Tools]

…Side scrapers, which have a blade on the long side, are also used to scrape irregular pieces. Those with a blade on the end are called end scrapers, and are distinguished as tools for scratching and digging. There are also small ones called thumb scrapers. …

*Some of the terminology explanations that mention "end scrapers" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…搔器，削器と訳される。剝片に細かな調整を加えて刃部を作り出したもので，細長い剝片の短辺の一つに刃を持つもの(エンドスクレーパー)，長辺の一つに刃をもつもの(サイドスクレーパー)などがある。中期旧石器時代以降各地でみられ，主として動物の解体･加工に用いられたと考えられる。…