Their activities were originally, we may suggest, first the assigning of the portion, the Lâchos or moira, by Lachesis with scales, then the spinning of it by Klotho, and lastly the binding or weaving of it by Atropos.
Onians reconstructs Klotho's original mythic office as the spinner who gives material, temporal form to the fate-portion already assigned by Lachesis, distinguishing her function sharply from those of her sisters.
, The origins of European thought about the body, the mind,, 1988thesis