Avoidance of plurysyllabic H tonal span at the end of word
tonal spread
[L .] [H ..] > [L ..] [H .] / (word _#)
At the end of word, a H tonal span, if preceded by L tone, cannot be disyllabic or plurysyllabic. To avoid a disallowed combination, a tonal redistribution can be recurred to, LHH → LLH.
sìláamàaxú ‘convert to Islam’ (intransitive) + ndí causative suffix → sìláamàaxundí ‘convert smb. to Islam’.