Data base ; Automatische Lexikographie; Computer lexicography; Linguistic data processing (lexicography) ; Sprachdokumentation; Language documentation; Documentation (method.) ; Emic/etic (method.) ; Emisch/etisch (method.) ; Feldforschung; Field work; Field linguistics ; Sprachbewahrung; Ethnolinguistic vitality; Vitality, ethnolinguistic; Sprachwechsel; Language shift; Heritage language; Language maintenance ; Language revival; Language revitalization ; Sprachentod; Extinct language; Language endangerment; Bedrohte Sprache; Linguicide; Linguizid; Language death ; Tanganekald; Ramindjeri; Ngarrindjeri ; South Efate; North Efate; Efate