End"long` (?; 115), adv. & prep. [Cf. Along.]
Lengthwise; along.
[Archaic]
The doors were all of adamants eterne,
I-clenched overthwart and endelong
With iron tough.
Chaucer.
He pricketh endelong the large space.
Chaucer.
To thrust the raft endlong across the moat.
Sir W. Scott.
© Webster 1913.