PATH

I. noun (plural ~s) Etymology: Middle English, from Old English pæth; akin to Old High German pfad ~ Date: before 12th century a trodden way, a track specially constructed for a particular use, 3. course , route , a way of life, conduct, or thought, 4. the continuous series of positions or configurations that can be assumed in any motion or process of change by a moving or varying system, a sequence of arcs in a network that can be traced continuously without retracing any arc, ~way 2, II. abbreviation or ~ol ~ological; ~ology