["The COMPL Language and Operating System", A.G. Fraser et al, Computer J 9(2):144-156 (1966)].
For clear examples of a contrary practice, cf. the rimes grne, clne, compl.
It originally signified the sea itself, and was afterwards used for the raging of the sea, Beowulf, l. 56; compl.
This form is very rare, but we again find hath wold in l. 11 of the compl.