body language

etymological

programming language

2.5D / (by extension, fandom slang) belonging to a grey area between "2D" (anime, etc.) and "3D" (live-action, etc.), such as voice actors

modern language / (especially in reference to Japanese) modern Japanese; Japanese in its current form, spoken since the Meiji era and based on the Tokyo dialect

A male given name of historical usage

(linguistics) language contact

comparative linguist

language study / linguistics

(historical) researchers who were employed by Tokugawa shogunate and studied Japanese and/or Japan-related history (Japanology).