*hpʰu·-put self down into something yieldingalways with semelfactive -ci- or essive -ma-*dahpʰuy2pref.-thrust hand into something soft while fallingfr. var.*dahpʰoy*dihpʰuy2pref.-drop self into something yielding (deep, soft feather bed)*mahpʰuy2pref.-thrust foot into something yielding while falling