The word "saw" has two primary meanings, depending on the context. As a noun, a "saw" is a tool used for cutting various materials, typically wood. It consists of a sharp blade with teeth that helps slice through the material when moved back and forth. As a verb, "saw" is the past tense of "see," meaning to perceive or notice something with the eyes.
knife (in some contexts)
For the verb (past tense of see):
none (as it's a specific tool)
For the verb (past tense of see):
The noun "saw" originates from Old English "sagu," which is derived from Proto-Germanic "sawō," meaning "to cut." The verb "saw," as the past tense of "see," comes from the Old English "seon," which can be traced back to Proto-Germanic "sehwan," meaning "to see."