H2910
טֻחוֹת
inner parts
inner regions, hidden recesses, inward parts
Full Brown-Driver-Briggs lexicon entry
טֻחוֺת noun feminine plural inward parts (as covered over, concealed) — טֻחוֺת of seat of faithfulness, ׳אֱמֶת חָפַצְתָּ בַּטּ Ps 51:8 faithfulness thou desirest in the inward parts, i.e. in the heart (|| סָתֻם); of seat of wisdom חָכְמָה ׳מִי שָׁת בַּטּ Job 38:36 (|| שֶׂכְוִי q. v.); from context this can hardly = heart of man (kidneys, 'reins,' ᵑ7, Jewish interpretations, see NHWBii, 144 and others), but is rather cloud-layers (as dark, hidden spaces, see Di VB); their 'wisdom' appears in their obedience to natural law.
1 occurrence