Etymology of the English word actiniform
the English word
actiniformusing the English prefix
actino-derived from the Greek prefix
aktino-derived from the Greek word
aktis, ἀκτίς
using the English suffix
-formderived from the Latin word
forma (form; shape, likeness; form, likeness; shape, form; form, figure, appearance)
derived from the Greek word
formausing the English prefix
actin-Date
The earliest known usage of actiniform in English dates from the 20th century.