English

heptamethyl

From hepta- + methyl.

A compound of hepta- + methyl

Proto-Indo-European *septḿ̥ ‘seven’

Proto-Hellenic *heptə́ ‘seven’

Ancient Greek ἑπτά ‘seven’

Ancient Greek ῡ̔́λη ‘wood’

German Methyl

Today it means

noun Seven methyl groups in a compound

Language periods are conventional ranges, not dates for this word.

Etymograph / heptamethyl