all-important

English

Etymology

Etymology tree

Proto-Indo-European *h₂el-der.?

Proto-Indo-European *h₂elnós

Proto-Germanic *allaz

Proto-Germanic *ala-

Proto-West Germanic *ala-

Old English æl-

Middle English all-

English all-

English important

English all-important

From all- + important.

Adjective

all-important

1. Very important; vital or crucial.