contemporaneously
UK[kənˌtem.pəˈreɪ.ni.əs.li]US[kənˌtem.pəˈreɪ.ni.əs.li]
adv
At the same time; simultaneously.
Morpheme Breakdown
con
temporane
ously
con
together
temporane
time
ously
adverb suffix
Etymology
The word 'contemporaneously' is built upon the Latin adjective contemporaneus, which itself combines the prefix con- (together) with tempus (time, season). The core concept is things existing or occurring within the same time period. The suffix -aneus forms adjectives meaning "pertaining to," which in English evolved into -aneous. The final adverbial suffix -ly was added to create the modern form. Thus, the literal morphemic logic of "together-in-time-manner" perfectly captures the modern abstract meaning of events happening simultaneously.
Analysis
Structure: con (together) + temporane (time) + ously (adverb suffix)
con-: Latin origin, a prefix meaning "together, with."
temporane-: Derived from Latin temporaneus (timely), from tempus (time).
-ously: A suffix forming adverbs from adjectives ending in -ous, meaning "in a specified manner."
Examples
The two treaties were signed contemporaneously, though in different capitals.
The fossils were found in strata that were deposited contemporaneously.
The researcher studied diaries written contemporaneously with the major political upheaval.