suppletive


sup·ple·tion

S0906050 (sə-plē′shən)n. Linguistics The use of an unrelated form to complete a paradigm, as the past tense went of the verb go, goes, going, gone.
[From Latin supplētus, past participle of supplēre, to supply; see supply.]
sup·ple′tive adj.
Translations
supplétif