English
heterolingual
From hetero- + lingual.
Proto-Indo-European *sem- ‘one, whole’
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος ‘other, another, different’
English hetero-
Proto-Indo-European *dn̥ǵʰwéh₂s ‘tongue’
Proto-Italic *dn̥ɣwā ‘tongue’
Latin dingua ‘pre-classical form of lingua’
Latin lingua ‘the tongue’
Latin linguālis
English lingual
Today it means
adj In a different language
Language periods are conventional ranges, not dates for this word.
Etymograph / heterolingual