IMHO, there are three potentially relevant occurrences of the word "
formidine" in Ovid's
Metamorphoses:
Occurrence 1: Ovid,
Metamorphoses book 2, lines 63-66:
Context: Sol/Helios (here called Phoibus), the sun god, warns his son Phaethon about the dangers of his daily routine of climbing the sky on his sun chariot:
“The opening path is steep and difficult,
for scarcely can the steeds, refreshed at dawn,
climb up the steeps: and when is reached the height,
extreme of midmost Heaven, and sea and earth
are viewed below, my trembling breast is filled
with fearful apprehensions [
formidine]."
(Translation: Brookes More, 1922)
Occurrence 2: Ovid,
Metamorphoses book 2, lines 193-200:
Context: Despite his father's warnings, Phaethon uses his father's sun chariot to climb the sky:
"He sees horrific wonders scattered round,
and images of hideous animals.—
and there's a spot where Scorpion bends his claws
in double circles, and with tail and arms
on either side, stretches his limbs throughout
the space of two Celestial Signs; and when
the lad beheld him, steeped in oozing slime
of venom, swart, and threatening to strike
grim wounds with jagged spear-points, he was lost;
and, fixed in chills of horror [
formidine], dropped the reins."
(Translation: Brookes More, 1922)
Occurrence 3: Ovid,
Metamorphoses book 4, lines 801-804:
See
my post above.
Brief first analysis: while occurrence 1 is rather general, occurrence 2 points to the constellation Scorpius, and occurrence 3 points to Minerva/Athena, Neptun/Poseidon, Gorgo/Medusa and/or Perseus.