Denshi Jisho — Online Japanese dictionary

じん fathom
Noun 
ひろ fathom
Noun 
ちひろ 1: great depth (lit: thousand fathoms); bottomless;
2: great height
Noun 
やひろ great length; great size
Noun, No-adjective, Archaism 
せんじん 1: great depth (lit: thousand fathoms); bottomless;
2: great height
Noun 
とうじん minute investigation; thorough inquiry; thorough enquiry
Noun, Obscure term 
ばんじん 10000 fathoms; great depth; great height
Noun 

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