► 名詞足腰  [(2)あしこし]    
meaning:  leg  rank: 2☆ 
歳を
取るとまず足腰が
弱ってくる ⇨ Your lower body gets weak first when you get older  
(☛ Literally means “legs and waist”. Refers to ability to walk, run and lift heavy things)足腰  [(2)あしこし]  [
足腰が立たない]    
meaning:  walk  rank: 3☆ 
彼女は
恐怖で足腰が
立たなくなった ⇨ Her legs became weak by fear