Strongs Number: G4698
Orig: probably strengthened from splen (the "spleen"); an intestine (plural); figuratively, pity or sympathy:--bowels, inward affection, + tender mercy.
Use: TDNT-7:548,1067 Noun Neuter
Heb Strong: H990 H7356
1) bowels, intestines, (the heart, lungs, liver, etc.)
1b) the bowels were regarded as the seat of the more violent passions, such as anger and love; but by the Hebrews as the seat of the tenderer affections, esp. kindness, benevolence, compassion; hence our heart (tender mercies, affections, etc.)
1c) a heart in which mercy resides