Where does “photocontrollable” come from?

photocontrollable (English) comes from English controllable, from English control, from Middle English controllen, from Middle French contreroller, from Medieval Latin contrarotulare, from Latin contrarotulus, from Latin rotulus, from Latin rotula — ingot.

photocontrollable (English): Controllable (switchable) by the irradiation of light

Definitions

  1. Controllable (switchable) by the irradiation of light

Ancestry of “photocontrollable”, step by step

photocontrollable traces back through two separate lines of ancestry.

via English controllable

StepLanguageWordMeaning
1EnglishcontrollableAble to be controlled; subject to regulation or...
2EnglishcontrolTo exercise influence over; to suggest or dictate...
3Middle Englishcontrollento restrain or keep in check
4Middle Frenchcontrerollerto control
5Medieval Latincontrarotulare
6Latincontrarotuluscopy of a roll
7LatinrotulusAlternative form of rotula; roll; roll of paper
8Latinrotulaa small wheel; roll
9Arabicرَطْل
10Classical Syriacܪܝܛܠܐ
11Classical Syriacܠܝܛܪܐlibra, pound
12Frenchlitrelitre
13Medieval Latinlitra
14Ancient Greekλίτραlitra, a Sicilian silver coin; libra, a unit of...
15Proto-Italic*līðrāingot

via English photo

StepLanguageWordMeaning
1EnglishphotoA photograph; A photo finish; To take a...
2EnglishphotographyThe art and technology of producing images on...
3Frenchphotographiephotography; photograph
4Ancient Greekφωτο-
5Ancient GreekφῶςAttic form of φᾰ́ος
6Proto-Hellenicpʰáos
7Proto-Indo-Europeanbʰéh₂os
8Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
9Proto-Indo-Europeanbʰeh₂-s-ri-
Every word from Proto-Italic *līðrā