יִפְתָּח

Based on the provided lexicon data, the word יִפְתָּח (yiph.tach) has a short definition of "Iphtah" and falls under the category of a proper name for a person. This suggests that the word is likely a personal name specific to an individual in the biblical narrative. Given the limited occurrence of the name in the Bible (only 1 time), it is likely a proper noun used to identify a specific character or person. The semantic domain indicates that it is a name, as opposed to a common noun or concept.