The Hebrew massa means a burden, load, or lifting — and by extension, a prophetic oracle or utterance. The dual meaning is profound: a prophetic word is both a divine message and a heavy load — something weighty and consequential to carry and deliver.
The prophets used massa to introduce solemn oracles, particularly judgments (Isaiah 13:1; 15:1; Nahum 1:1; Habakkuk 1:1). The weight of the word reflects the gravity of prophetic responsibility — the burden-bearer carried a message not of his own origin, with consequences of eternal significance. Jeremiah 23:33-38 contains a fascinating wordplay: the false prophets claimed to have a massa (burden/oracle) from the Lord, but God says they themselves have become the burden. In the New Testament, Jesus offers His yoke in contrast — 'my burden (phortion) is light' (Matthew 11:30) — yet the responsibility of the gospel proclamation remains weighty and sacred.