Jakob Jakobsen, An Etymological Dictionary of the Norn Language in Shetland…
“ With preps. and advs.: d. at, in the phrase “he is drawin’ at de dekk”, the end of the fishing-line has chanced to stick fast to the sea-bottom (Un.) , tabu-term at sea in boat-fishing, doubtless (as the thought is often veiled or expressed approximately in such tabu-phrases) : the line is approaching the sea-bottom; O.N. draga (sk) at, to approach. — d. doon [‘down’] : a) to pull the teats of a cow repeatedly before milking; b) he is drawin’ him doon to night, the night is coming down. — d. f (r) ae [‘from’] , a) to draw up the long-line a little from the sea-bottom (Yh.) , Icel. draga frá ”
