After the words 1. pathi 2. aṅga 3. karman 4. patra or 5. pātra , preceded by sarva being in the Accusative -2nd case in construction, the affix kha (īna) comes in the sense of 'what pervades or fills the whole of that'.,
Thus सर्वपथं व्याप्नोति = सर्वपथीनोरथः, सर्वाङ्गीणस्तापः, सर्वकर्मीणः पुरुषः, सर्वपत्रीणः सारथिः, सर्वपात्रीण ओदनः ॥,