In other words, if you have to know 3 facts about a domain, it doesn't have a steep learning curve; if you need to know 1000 facts it does. Time is irrelevant in this context. The correct axis should be facts to know and effectiveness to reason / act in domain.
The origin of the name Ichigo is Japanese. This is the culture in which the name originated, or in the case of a word, the language. Ichigo is the Japanese word for strawberry, but the name can also mean one/best guardian as a male name from ichi one and go guardian.. Also the Japanese word for strawberry which would be the feminine form. Ichigo iis a name in manga and anime in titles like Bleach and Tokyo Mew Mew.
The word sashimi means pierced body, i.e.  åºèº« = sashimi, where åº ã = sashi (pierced, stuck) and èº« = mi (body, meat). This word dates from the Muromachi period, and was possibly coined when the word  åã = kiru (cut), the culinary step, was considered too inauspicious to be used by anyone other than samurai.