shoestring

• POS: Noun
• HYPHEN: shoe=string

CIDE DICTIONARY

shoestring, n. 

•  same as shoelace.  [PJC]
•  a sum of money, inadequate or barely adequate for the purpose to which it is put to use; as, to start up an enterprise on a shoestring.  [PJC]

OXFORD DICTIONARY

shoestring, n.
1 a shoelace.
2 colloq. a small esp. inadequate amount of money (living on a shoestring).
3 (attrib.) barely adequate; precarious (a shoestring majority).