somewhy
/ˈsʌmˌhɛɪ/Definitions
1. adverb
used to express a reason or explanation that is vague, unclear, or difficult to understand
“She asked me why I was late, and I just shrugged and said I was running somewhy behind schedule.”
2. noun
a vague or unclear explanation for something
“I gave him a somewhy for why I was late, but he just didn’t buy it.”