What are prefixes for notable?

The word 'prefix' does contain a prefix; it is made up from the Latin praefixus (fix in front [of]) + figere (to fasten, to fix), so the 'pre-' part of the word is a prefix.The word 'prefix' itself...

The prefix for prefix is pre because its before and fix is the word so the prefix for prefix is pre.

ovum (L) means egg example is oviduct

account originates from the word "conter" (fr.: to count) the prefix a/ad means "to" (from Latin, through French)

Where the prefix retro- does not merely "reverse" the existing condition (which would already be the opposite e.g. retro-rocket), the opposite would be pro- (proactive, progressive, prograde, and...