HEARTSTRINGS
heartstrings
(noun) your deepest feelings of love and compassion; “many adoption cases tug at the heartstrings”
Source: WordNet® 3.1
Etymology
Noun
heartstrings pl (plural only)
(obsolete, anatomy) The tendons once thought to brace the heart. [15th-19th c.]
(figuratively) One's deepest emotions or inner feelings. [from 16th c.]
(anatomy) The cord-like tendons that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart.
Synonyms
• (cord-like tendons): chorda tendinea/chordae tendineae
Source: Wiktionary
HEARTSTRING
Heart"string`, n.
Definition: A nerve or tendon, supposed to brace and sustain the heart.
Shak.
Sobbing, as if a hearstring broke. Moore.
Source: Webster’s Unabridged Dictionary 1913 Edition