FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

`etsem eh'tsem — from 6105; a bone (as strong); by extension, the body; figuratively, the substance, i.e. (as pron.) selfsame:--body, bone, X life, (self-)same, strength, X very.

see HEBREW for 06105