Where does “sandboxer” come from?

sandboxer (English) comes from English sandbox, from English box, from French boxer, from French -er, from English -er, from Middle English -er, from Old French -er, from Latin -āre — he, she.

sandboxer (English): One who plays in a sandbox

Definitions

  1. One who plays in a sandbox

Ancestry of “sandboxer”, step by step

sandboxer traces back through two separate lines of ancestry.

via English sandbox

StepLanguageWordMeaning
1EnglishsandboxA children's play area consisting of a box filled...
2EnglishboxSenses relating to a three-dimensional object or...
3Frenchboxerboxer; boxer shorts, boxers; to box
4French-erForms infinitives of first-conjugation verbs
5English-erA person or thing that does an action indicated...
6Middle English-eragentive suffix; agent noun suffix
7Old French-erAlternative form of -ier, verbal suffix;...
8Latin-ārefirst conjugation
9Proto-Italic-āōForms primarily denominative verbs
10Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
11Proto-Indo-European-yétiCreates intransitive, often deponent,...
12Proto-Indo-Europeanyé-
13Chichewaiyehe, she

via English ER

StepLanguageWordMeaning
1EnglishERThe statistic "Earned Run"; Initialism of...
2Turkisherearly; brave; man, male
3Ottoman Turkishایرsaddle, a seat for a rider placed on the back of a horse or other animal
4Old Anatolian Turkishایرearly, at a time in advance of the usual or expected event
5Proto-Turkicēdersaddle
Every word from Chichewa iye