== {{-it-}} ==
{{-agg-|it}}
{{Pn}} ''m sing''
{{Tabs|archeano|archeani|archeana|archeane}}
# {{Term|geologia|it}} {{Nodef|it}}

{{-sost-|it}}
{{Pn|w}} ''m sing''
# {{Term|geologia|it}} seconda era del [[precambriano]]

{{-etim-}}
deriva dal [[greco]] ''[[ἀρχή]]'' cioè "[[principio]]"

{{-trad-}}
{{Trad1|}}
:* {{en}}:
{{Trad2}}

{{-ref-}}
* {{Fonte|trec}}
* {{Fonte|gar}}

== Altri progetti ==
{{Interprogetto|w|commons=Category:Archean}}