thigmo-

== English == === Etymology === From Ancient Greek θῐ́γμᾰ (thĭ́gmă) +‎ -o-, from the root of θῐγγᾰ́νω (thĭngắnō, “to touch”). (Can this(+) etymology be sourced?) === Prefix === thigmo- (biology, botany) related to touching, usually a plant. Synonym: hapto- ‎thigmo- + ‎tropism (“movement, turning”) → ‎thigmotropism (“movement of a plant because of touching”) ==== Derived terms ====