Other forms: impending
To impend is to be about to happen, usually something bad. An impending crisis, impending doom, the impending storm.
The participle is the only common form, and impending always attaches to something unwelcome. The Latin means to hang over, which is exactly the feeling the word describes.
1verbimpendTo be about to happen, usually something bad.
“As the river kept rising, the villagers felt that disaster impended.”
impend is a approaching.
Latin impendere means to hang over, from in plus pendere, to hang.
Proto-Indo-European
*(s)pend-
Latin
impendere — to hang over, to weigh out
English, today
impend
Borrowed from Latin impendere (“to hang over, to weigh out”), 1590s.
Etymology from Wiktionary, CC BY-SA