The place where Tora was born was near a corn field and Komayama Mountain was beyond the field; such exotic scenery can be associated with Morokoshi (China) and its Makura word (Poetic epithet convention) is Tora, but it is uncertain whether such association is the reason for her name or not.
虎が生まれた場所は近くにもろこしが原があり、その向こうには高麗山があるという異国の面影があった、唐（もろこし）とくれば枕詞は虎であるがその為かどうかも判らない。