This thesis investigates the syntactic features, functions, and diachrony of a complex predicate called ‘the inceptive construction’ which is based on a grammaticalised use of the converbs ‘get up’, ‘pick up’, ‘grasp’, and ‘take’. The languages under investigation are Amharic, Argobba, Harari, Zay, and Selt’i. The data collection that was analized consists of elicitations, audio recordings, and written texts. The analysis shows that the converbs identify the initial phase of the event encoded by a following verb. The converbs are further associated with nuances like volition, surprise, and emphasis. The rise of such interpretations as surprise and emphasis appears to depend mainly on context, while volition is inherent to the construction. ...