tū-ā-
1. (particle) somewhat (used with adjectives to indicate a moderate degree of the quality expressed).
(Te Māhuri Study Guide (Ed. 1): 64;)
He tū-ā-kōwhewhero te tai o tōna kaka. / The colour of her dress is a fairly pale red.
See also tū-ā-ahiahi, tūā-, tū-ā-rite