LSJ
τά, = ἐνδόσθια, IG 4.914.15 (Epid.), and prob. for -ιαῖα, v.l. in LXX Le. 6.33 (7.3).
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
stomach
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars