heavy
Meaning
of great weight; difficult to lift or move
of great density or thickness
of more than the usual size, amount, or force
needing much physical effort
serious or difficult to deal with
Usage
The box was too heavy for me to lift alone.
There was heavy rain throughout the night.
She carries the heavy responsibility of leading the team.
Etymology
The word 'heavy' originates from the Old English 'hefig', which itself evolved from the Proto-Germanic 'hafiga-', meaning "having weight, heavy." This Germanic root is derived from the Proto-Indo-European (PIE) base 'kap-', meaning "to grasp, take, hold," which also gives rise to the concept of "heaviness" through the sense of something that is held or burdensome. Over centuries, the meaning expanded from the primary sense of physical weight to encompass metaphorical burdens, seriousness, and intensity. The journey from a PIE verb of grasping to the modern adjective describing weight, significance, and difficulty illustrates a classic semantic shift from a concrete action to an abstract quality.
Analysis
The word 'heavy' is a simplex word of Old English origin. It is not productively formed from separable morphemes in modern English.