What's the adjective for abortus? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs abort and abortive which may be used as adjectives within certain contexts.
abortive
(obsolete) Produced by abortion; born prematurely and therefore unnatural. [Attested from around (1350 to 1470) until the mid 18th century.]
“After several abortive attempts at spelling the name of the street correctly in his notebook, the officer co-opted some bystanders and dragged the poor horse into Hoe Street.”
“After their first rehearsal, the band decided to scrap their abortive attempts at writing original songs and instead focused on refining their cover repertoire.”
“Besides, most of these designes were abortive, or aborsive rather, like those untimely miscarriages not honoured with a soul or the shape and lineaments of an infant.”