כָּפָה

Based on the given data, the word "ka.phah" (Strong's number: H3711) is the Hebrew verb "to subdue". Its primary meaning is related to warfare and conflict. The fact that it appears only once in the Bible suggests that it is a word with a specific, unique connotation. In the context of warfare and conflict, "ka.phah" likely refers to the act of overpowering or dominating one's opponent. The lack of occurrences may indicate that this verb was not commonly used, but when it was, it conveyed a sense of intensity and victory.