myEtymology.com: English etymology of heliogram

Etymology of the English word heliogram

the English word heliogram

using the English suffix -gram

derived from the Greek word gramma, γράμμα (mark; a writing; a letter, note, epistle, book, etc.; plural learning)

derived from the Proto-Indo-European root *gerbh-

using the English prefix helio-

derived from the Greek prefix helio-, ἡλιο-

derived from the Greek word helios, ἥλιος (the sun; by implication, light)

derived from the Proto-Indo-European root *sāwel- (to shine)