ETYMOLOGY
from Anglo-Norman aidaunt, aydaunt, and from Anglo-Norman and French aidant (helping, and helper, ally), present participle of aider (to aid)
EXAMPLE (for adj.)
“… All blest secrets all you vnpublisht vertues of the earth,
Spring with my teares beaydant (be aydant) and remediat,
In the good mans distresse, seeke, seeke, for him,
Lest his vngouernd rage dissolue the life.
That wants the meanes to lead it. …”
From: True Chronicle Historie of the Life and Death of King Lear and his three daughters
By William Shakespeare, 1608
Lexicophilia 