Qashshab (H7183) is an intensive adjective meaning 'most attentive' or 'listening carefully' — used to describe ears that are fully present and focused. It appears in Nehemiah 1:6 where Nehemiah asks God to be attentive to his prayer, and Proverbs 17:4 where the wicked person listens (qashshab) to evil lips.
The request for God's qashshab — His full attentiveness — is a prayer posture across the Psalms and prophets. Nehemiah's opening prayer: 'Let your ear now be attentive and your eyes open, to hear the prayer of your servant' (Neh 1:6) — he is asking God to lean in, to fully attend. This is audacious faith: the creature asking the Creator to direct His concentrated attention downward. Yet it is entirely invited by Scripture. Conversely, Proverbs 17:4 warns that lending one's qashshab — one's focused attention — to wickedness shapes the soul. What we attentively listen to forms us.