«فَقَصَدْتُهُمَا قَصْدَ كَلِفٍ بِدَمَاثَتِهِمَا»
I approached them like someone deeply taken with their amiable manner.
Kalif suggests keen attachment or fascination, and damātha is gentleness and pleasant manners. The inquiry has become warmer: the narrator admires their language and company, not merely the riddle of their identity.
Qaṣadtu ... qaṣda repeats a verbal root in verb and verbal noun, adding emphasis to the manner of his approach.